Attachment E
Gun Violence Reference Data
(2017-2021)
City of San José
August 2022
Contents
Homicide………………………. 2
Rape……………………………… 11
Aggravated Assault……….. 14
Robbery………………………… 20
Gun Violence Data Analysis
Homicide
2 Homicide
All Homicides by Firearm Involvement, 2017-2021
Year
Firearm
Involvement
No Firearm
Involvement
Grand
Total
2017 21 12 33
2018 15 12 27
2019 19 13 32
2020 25 14 39
2021 25 6 31
Grand Total 105 57 162
From 2017-2021, 65% of homicides in San Jose involved firearms, while 35% did not. The number of homicides with firearm involvement increased to 25 annually in both 2020 and 2021. Homicides with firearm involvement was highest in 2021 at 81% of all homicides.
Gun Violence Data Analysis
Homicide
3 Homicides Involving Firearms by Gang Involvement, 2017-2021
Of homicides that were committed with firearms between 2017 and 2021, 28% percent were gang- involved, while 72% percent were not.
Year Gang Involvement No Gang Involvement
Grand
Total
2017 6 15 21
2018 4 11 15
2019 6 13 19
2020 9 16 25
2021 4 21 25
Grand Total 29 76 105
0 5
10 15
20 25
2017 2018 2019 2020 2021
Homicides Involving Firearms by Gang Involvement,
2017-2021
Gang Involvement
No Gang Involvement
Gun Violence Data Analysis
Homicide
4 All Homicides by Hour of the Day and by Firearm Involvement, 2017-2021 Hour
Firearm
Involvement
No Firearm
Involvement Grand Total
000 8 3 11
100 7 2 9
200 6 4 10
300 6 1 7
400 3 4 7
500 4 1 5
600 2 1 3
700 1 2 3
800 1 3 4
900 1 3 4
1000 1 4 5
1100 4 4
1200 3 3
1300 3 1 4
1400 2 2
1500 1 1 2
1600 2 2 4
1700 6 4 10
1800 3 3 6
1900 6 8 14
2000 8 1 9
2100 8 3 11
2200 12 2 14
2300 9 2 11
Grand
Total 105 57 162
Gun Violence Data Analysis
Homicide
5 Between 2017 and 2021, homicides involving firearms were most likely to have occurred between 7 p.m. and 3 a.m., with 71 out of 105 occurring during these night and early morning hours. The highest number of firearm-involved homicides (12) occurred between 10 p.m. and 11 p.m.
0 2
4 6
8 10
12 14
All Homicides by Hour of the Day and by Firearm
Involvement, 2017-2021
Firearm Involvement No Firearm Involvement
Gun Violence Data Analysis
Homicide
6 All Homicides by Day of the Week and by Firearm Involvement, 2017-2021
DAY OF WEEK FIREARM
NON-
FIREARM TOTAL
SUN 14 13 27
MON 16 5 21
TUE 18 3 21
WED 15 5 20
THU 13 12 26
FRI 13 9 22
SAT 16 10 26
TOTAL 105 57 162
Between 2017 and 2022, homicides with and without firearms show different patterns across the days of the week. Homicides with firearms fluctuate from a low of 13 on Thursday and Friday to a high of 18 on Tuesday, while homicides without firearms fluctuate from a low of 3 on Tuesdays to a high of 13 on Sunday.
0 5
10 15
20 SUN MON TUE WED THU FRI SAT
All Homicides by Day of Week with and by Firearm Involvement, 2017-2021
FIREARM NON-FIREARM
Gun Violence Data Analysis
Homicide
7 All Homicides by Month and by Firearm Involvement, 2017-2021 Month
Firearm
Involvement
No Firearm
Involvement Grand Total
Jan 13 5 18
Feb 8 4 12
Mar 7 2 9
Apr 5 4 9
May 14 5 19
Jun 13 6 19
Jul 4 6 10
Aug 8 3 11
Sep 12 7 19
Oct 8 6 14
Nov 4 5 9
Dec 9 4 13
Grand Total 105 57 162
Between 2017 and 2021, more homicides by firearm occurred in the months of January (13), May (14), June (13), and September (12). These four months accounted for approximately half (52) of the 105 total homicides by firearm during these five years.
0 2
4 6
8 10
12 14
16 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
All Homicides by Month and by Firearm Involvement, 2017-2021 Firearm Involvement
No Firearm Involvement
Gun Violence Data Analysis
Homicide
8 Homicide Victims by Gender and by Firearm Involvement, 2017 - 2021
GENDER FIREARM
NON-
FIREARM TOTAL
Female 12 14 26
Male 93 43 136
TOTAL 105 57 162
The majority of homicide victims (57%) are males from homicides involving a firearm. 0 20
40 60
80 100
120
140
160
Female Male
Homicide Victims by Gender and by Firearm
Involvement, 2017 - 2021
FIREARM NON-FIREARM
Gun Violence Data Analysis
Homicide
9 Homicide Victims by Age Range and by Firearm Involvement, 2017-2022
VICTIM AGE
RANGE FIREARM
NON-
FIREARM TOTAL
0-1 YEAR 3 3
2-3 YEARS 1 1
4-5 YEARS 1 1
6-8 YEARS 1 1
12-13 YEARS 1 1
14-15 YEARS 1 1
16-17 YEARS 2 2
18-21 YEARS 16 4 20
22-29 YEARS 36 5 41
30-49 YEARS 38 18 56
50-64 YEARS 9 14 23
65-98 YEARS 4 8 12
TOTAL 105 57 162
0 10 20 30 40 50 60
65-98 YEARS
50-64 YEARS
30-49 YEARS
22-29 YEARS
18-21 YEARS
16-17 YEARS
14-15 YEARS
12-13 YEARS
6-8 YEARS
4-5 YEARS
2-3 YEARS
0-1 YEAR
Homicide Victims by Age Range and by Firearm
Involvement, 2017-2021
FIREARM NON-FIREARM
Gun Violence Data Analysis
Homicide
10 Homicide Victims by Ethnicity and by Firearm Involvement, 2017-2021
FIREARM NON-FIREARM TOTAL
AFRICAN AMERICAN 15 6 21
ASIAN INDIAN 2 2
CAUCASIAN 8 13 21
CHINESE 2 2 4
FILIPINO 1 1
HISPANIC/LATIN/MEXICAN 61 25 86
KOREAN 1 1
OTHER 2 3 5
OTHER ASIAN 4 1 5
PACIFIC ISLANDER 1 1
VIETNAMESE 11 4 15
TOTAL 105 57 162
Hispanic/Latin/Mexican victims of homicides involving a firearm comprise 38% of all victims. 0 10 20 30 40 50 60 70 80 90 100
AFRICAN AMERICAN
ASIAN INDIAN
CAUCASIAN
CHINESE
FILIPINO
HISPANIC/LATIN/MEXICAN
KOREAN
OTHER
OTHER ASIAN
PACIFIC ISLANDER
VIETNAMESE
Homicide Victims by Ethnicity and by Firearm Involvement, 2017-2021
FIREARM NON-FIREARM
Gun Violence Data Analysis
Rape
11 Rape
Note that due to the small number of rapes committed with firearms, graphs are not useful for visualizing data comparisons and thus are not provided in this section.
All Rape by Firearm Involvement, 2017-2021
Year
Firearm
Involvement
No Firearm
Involvement
Grand
Total
2017 3 545 548
2018 3 610 613
2019 6 674 680
2020 5 561 566
2021 2 724 726
Grand Total 19 3114 3133
Rape Involving Firearms by Gang Involvement
Year
No Gang
Involvement
Gang
Involvement
Grand
Total
2017 3 0 3
2018 3 0 3
2019 6 0 6
2020 5 0 5
2021 2 0 2
Grand Total 19 19
Rape Involving Firearm by Weapon Type, 2017-2021
Year HANDGUN
Firearm Type Not
Stated Grand Total
2017 2 1 3
2018 2 1 3
2019 4 2 6
2020 3 2 5
2021 2 2
Grand Total 13 6 19
Gun Violence Data Analysis
Rape
12 All Rape by Hour of the day and by Firearm Involvement, 2017-2021 Hour
Firearm
Involvement
No Firearm
Involvement Grand Total
00 1 104 105
100 2 89 91
200 1 56 57
300 1 45 46
400 53 53
500 1 53 54
600 1 50 51
700 1 56 57
800 87 87
900 1 111 112
1000 1 161 162
1100 152 152
1200 1 183 184
1300 1 175 176
1400 215 215
1500 202 202
1600 1 226 227
1700 1 228 229
1800 2 208 210
1900 1 147 148
2000 2 138 140
2100 119 119
2200 126 126
2300 130 130
Grand
Total 19 3114 3133
Gun Violence Data Analysis
Rape
13 All Rape by Day of the Week and by Firearm Involvement, 2017-2021 DAY OF
WEEK
FIREARM
INV
NON-
FIREARM TOTAL
SUN 5 354 359
MON 3 498 501
TUE 2 503 505
WED 2 443 445
THU 4 484 488
FRI 2 456 458
SAT 1 376 377
TOTAL 19 3114 3133
All Rape by Month and by Firearm Involvement, 2017-2021 Month
Firearm
Involvement
No Firearm
Involvement Grand Total
Jan 2 211 213
Feb 225 225
Mar 258 258
Apr 1 216 217
May 3 255 258
Jun 2 267 269
Jul 2 307 309
Aug 4 278 282
Sep 1 288 289
Oct 1 300 301
Nov 268 268
Dec 3 241 244
Grand
Total 19 3114 3133
Gun Violence Data Analysis
Aggravated Assault
14 Aggravated Assault
All Aggravated Assaults by Firearm Involvement, 2017-2021 Year
Firearm
Involvement
No Firearm
Involvement Grand Total
2017 392 1568 1960
2018 384 1546 1930
2019 366 1948 2314
2020 468 1902 2370
2021 526 2005 2531
Grand Total 2136 8969 11105
From 2017-2021, 19% of aggravated assaults in San Jose involved firearms, while 81% did not. The overall number of aggravated assaults involving firearms increased in 2020 (468) and 2021 (526).
Aggravated assaults with firearm involvement was highest in 2022 at 20% of all aggravated assaults.
0 500
1000
1500
2000
2500
2017 2018 2019 2020 2021
All Aggravated Assaults by Firearm Involvement, 2017-
2021
Firearm Involvement
No Firearm Involvement
Gun Violence Data Analysis
Aggravated Assault
15 Aggravated Assaults with Firearm Involvement by Gang Involvement, 2017-2021 Years
Gang
Involvement
No Gang
Involvement Grand Total
2017 89 303 392
2018 90 294 384
2019 86 280 366
2020 53 415 468
2021 58 468 526
Grand Total 376 1760 2136
Of aggravated assaults that were committed with firearms between 2017 and 2021, 18% were gang- involved, while 82% were not.
0 50
100
150
200
250
300
350
400
450
500
2017 2018 2019 2020 2021
Aggravated Assaults with Firearm Involvement by Gang
Involvement, 2017-2021
Gang Involvement No Gang Involvement
Gun Violence Data Analysis
Aggravated Assault
16 Aggravated Assaults with Firearm Involvement by Weapon Type, 2017-2021 Year Handgun Rifle Shotgun
Other or Not
Specified
Grand
Total
2017 252 6 11 123 392
2018 234 4 12 134 384
2019 230 3 5 128 366
2020 297 13 4 154 468
2021 310 10 5 201 526
Grand Total 1323 36 37 740 2136
Of the aggravated assaults that involved a firearm, handguns were the most commonly used firearm type.
0 50
100
150
200
250
300
350
2017 2018 2019 2020 2021
Aggravated Assaults with Firearm Involvement by Weapon
Type, 2017-2021
Handgun
RIFLE
Shotgun
Other or Not Specified
Gun Violence Data Analysis
Aggravated Assault
17 All Aggravated Assaults by Firearm Involvement and
by Hour of the Day, 2017-2021
Hour
Firearm
Incidents
Non
Firearm
Incidents Grand Total
000 112 368 480
100 107 365 472
200 96 273 369
300 66 210 276
400 48 194 242
500 41 162 203
600 39 147 186
700 29 217 246
800 59 253 312
900 59 303 362
1000 67 350 417
1100 55 353 408
1200 77 384 461
1300 84 399 483
1400 78 403 481
1500 102 457 559
1600 106 525 631
1700 115 516 631
1800 106 541 647
1900 126 460 586
2000 119 482 601
2100 125 515 640
2200 158 542 700
2300 162 550 712
Grand Total 2136 8969 11105
0 100
200
300
400
500
600
000
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
All Aggravated Assaults by Firearm Involvement and by Hour of the Day, 2017-2021
Firearm Incidents
Non Firearm Incidents
Gun Violence Data Analysis
Aggravated Assault
18 All Aggravated Assaults by Day of Week and by Firearm Involvement, 2017-2021
DAY OF WEEK
FIREARM
INCIDENT NON FIREARM INCIDENT TOTAL
SUN 401 1516 1917
MON 293 1305 1598
TUE 239 1173 1412
WED 250 1144 1394
THU 258 1130 1388
FRI 283 1262 1545
SAT 412 1439 1851
TOTAL 2136 8969 11105
0 200
400
600
800
1000
1200
1400
1600
SUN MON TUE WED THU FRI SAT
All Aggravated Assaults by Day of Week and by Firearm
Involvement, 2017-2021
FIREARM INCIDENT NON FIREARM INCIDENT
Gun Violence Data Analysis
Aggravated Assault
19 All Aggravated Assaults by Firearm Involvement and
by Month, 2017-2021
Month
Firearm
Incident
Non Firearm
Incident Grand Total
Jan 176 654 830
Feb 158 640 798
Mar 164 690 854
Apr 153 672 825
May 188 758 946
Jun 159 781 940
Jul 214 823 1037
Aug 216 915 1131
Sep 192 859 1051
Oct 210 781 991
Nov 160 713 873
Dec 146 683 829
Grand Total 2136 8969 11105
0 100
200
300
400
500
600
700
800
900
1000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
All Aggravated Assaults by Firearm Involvement
and by Month, 2017-2021
Firearm Incident Non Firearm Incident
Gun Violence Data Analysis
Robbery
20 Robbery
All Robberies by Firearm Involvement, 2017-2021
Year
Firearm
Involvement
No Firearm
Involvement Grand Total
2017 382 996 1378
2018 406 1201 1607
2019 272 1094 1366
2020 271 938 1209
2021 305 997 1302
Grand Total 1636 5226 6862
From 2017-2021, 24% of robberies in San Jose involved firearms, while 76% did not.
0 200
400
600
800
1000
1200
1400
2017 2018 2019 2020 2021
All Robberies by Firearm Involvement, 2017-2021
Firearm Involvement
No Firearm Involvement
Gun Violence Data Analysis
Robbery
21 Robberies with Firearms Involvement by Gang Involvement, 2017-2021 Year
Gang
Involvement
No Gang
Involvement Grand Total
2017 14 368 382
2018 16 390 406
2019 10 262 272
2020 10 261 271
2021 11 294 305
Grand Total 61 1575 1636
From 2017-2021, less than 4% of robberies that involved firearms also involved gangs in San Jose, while 96% did not involve gangs.
0 50
100
150
200
250
300
350
400
450
2017 2018 2019 2020 2021
Robberies with Firearms by Gang Involvement, 2017-
2021
Gang Involvement
No Gang Involvement
Gun Violence Data Analysis
Robbery
22 Robberies with Firearm Involvement by Weapon Type, 2017-2021 Handgun Rifle Shotgun
Other or
Not Stated
Grand
Total
Year
2017 308 5 3 66 382
2018 337 2 4 63 406
2019 213 6 6 47 272
2020 230 3 1 37 271
2021 260 3 1 41 305
Grand Total 1348 19 15 254 1636
Of the robberies that involved a firearm, handguns were the most commonly used firearm type.
0 100
200
300
400
2017 2018 2019 2020 2021
Robberies with Firearm Involvement by Weapon Type,
2017-2021
Handgun
Rifle
SHOTGUN
Other or Not Stated
Gun Violence Data Analysis
Robbery
23 All Robberies by Firearm Involvement and by Hour of the Day, 2017-2021 Hour
Firearm
Involvement
No Firearm
Involvement Grand Total
00 103 150 253
100 79 154 233
200 75 156 231
300 49 132 181
400 57 94 151
500 47 78 125
600 39 77 116
700 24 78 102
800 28 130 158
900 34 163 197
1000 39 170 209
1100 35 188 223
1200 48 270 318
1300 49 276 325
1400 68 289 357
1500 57 300 357
1600 57 356 413
1700 75 352 427
1800 62 322 384
1900 100 330 430
2000 115 332 447
2100 128 282 410
2200 152 283 435
2300 116 264 380
Grand
Total 1636 5226 6862
0 50
100
150
200
250
300
350
400
00 100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
All Robberies by Firearm Involvement and by Hour of the Day, 2017-2021
Firearm Involvement
No Firearm Involvement
Gun Violence Data Analysis
Robbery
24 All Robberies by Day of Week and by Firearm Involvement, 2017 - 2021 DAY OF
WEEK FIREARM INCIDENT NON-FIREARM INCIDENT TOTAL
SUN 224 782 1006
MON 244 759 1003
TUE 243 701 944
WED 243 745 988
THU 197 685 882
FRI 235 751 986
SAT 250 803 1053
TOTAL 1636 5226 6862
0 200
400
600
800
1000
SUN MON TUE WED THU FRI SAT
All Robberies by Day of Week and by Firearm
Involvement, 2017 - 2021
FIREARM INCIDENT NON-FIREARM INCIDENT
Gun Violence Data Analysis
Robbery
25 All Robberies by Firearm Involvement and by Month, 2017-2021 Month
Firearm
Involvement
No Firearm
Involvement
Grand
Total
Jan 156 421 577
Feb 116 399 515
Mar 135 418 553
Apr 122 409 531
May 127 425 552
Jun 123 404 527
Jul 129 464 593
Aug 128 514 642
Sep 105 437 542
Oct 130 479 609
Nov 164 419 583
Dec 201 437 638
Grand Total 1636 5226 6862
0 100
200
300
400
500
600
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
All Robberies by Firearm Involvement and by Month,
2017-2021
Firearm Involvement
No Firearm Involvement