Case Length

Year End 12/31/2020

Definitions | Limitations

Case Length is a measure of the number of days between arrest and resolution in a case. It reflects the efficiency of a criminal justice system. Faster case resolution can be a deterrent to crime; it also allows victims and the accused to move on with their lives more quickly.

184 days

to Complete

Agg. Assault/Gun

Cases

522 days

to Complete

Homicide

Cases

46,909

Cases Currently Open

  12%

Time to Complete Poss. of Firearms Cases

vs. Pre-2018 Avg

All Offenses

Yearly Median Days to Disposition by Police District

Data: Year End Count of Median Days to Disposition by Offense Category

Offense Category 2014 2015 2016 2017 2018 2019 2020 Yr-Yr
Change
’14-’17
Avg
’18-’20
Avg
’14-’17 Avg
Compared to
’18-’20 Avg
All Violent Offenses 124 117 132 136 139 120 189 57% 127 149 17%
All Property Offenses 134 137 132 128 149 164 219 34% 133 177 33%
All Drug Offenses 181 186 184 173 186 194 259 34% 181 213 18%
All Firearms Offenses 281 305 268 269 255 220 315 43% 281 263 -6%
All Other Offenses 95 99 102 101 143 146 225 54% 99 171 73%
Uncategorized Offenses 197 162 161 144 180 151 203 34% 166 178 7%
All Offenses 160 159 160 154 173 169 226 34% 158 189 20%

Violent

Yearly Median Days to Disposition by Police District

Data: Year End Count of Median Days to Disposition by Offense Category

Offense Category 2014 2015 2016 2017 2018 2019 2020 Yr-Yr
Change
’14-’17
Avg
’18-’20
Avg
’14-’17 Avg
Compared to
’18-’20 Avg
Homicide 589 618 553 557 556 492 522 6% 579 523 -10%
Non-Fatal Shooting** · 66 300 422 375 354 407 15% 263 379 44%
Rape 308 373 528 535 397 420 407 -3% 436 408 -6%
Robbery/Gun 260 311 354 352 274 199 258 30% 319 244 -24%
Robbery/Other 128 131 132 116 132 112 200 79% 127 148 17%
Aggravated Assault/Gun 274 333 354 263 189 142 184 30% 306 172 -44%
Aggravated Assault/Other 114 111 114 117 115 112 191 71% 114 139 22%
Other Assaults 84 76 73 78 85 87 158 82% 78 110 41%
Sexual Assault and Other Sex Offenses 170 156 216 175 184 237 281 19% 179 234 31%
All Violent Offenses 124 117 132 136 139 120 189 57% 127 149 17%

Property

Yearly Median Days to Disposition by Police District

Data: Year End Count of Median Days to Disposition by Offense Category

Offense Category 2014 2015 2016 2017 2018 2019 2020 Yr-Yr
Change
’14-’17
Avg
’18-’20
Avg
’14-’17 Avg
Compared to
’18-’20 Avg
Burglary/Residential 168 167 176 190 178 168 216 29% 175 187 7%
Burglary/Commercial 185 175 219 170 148 168 192 14% 187 169 -10%
Theft of Motor Vehicle Tag 159 117 228 115 157 205 121 -41% 155 161 4%
Theft from Person 118 149 101 102 136 114 272 139% 118 174 47%
Theft from Auto 124 142 118 135 144 139 230 65% 130 171 32%
Retail Theft 107 108 99 98 141 196 219 12% 103 185 80%
Theft 144 139 123 130 147 156 206 32% 134 170 27%
Auto Theft 169 175 210 153 145 152 209 38% 177 169 -5%
Fraud/Theft of Services 150 181 189 162 162 188 321 71% 170 224 32%
Embezzlement 196 169 164 154 178 214 277 29% 171 223 30%
All Property Offenses 134 137 132 128 149 164 219 34% 133 177 33%

Drugs

Yearly Median Days to Disposition by Police District

Data: Year End Count of Median Days to Disposition by Offense Category

Offense Category 2014 2015 2016 2017 2018 2019 2020 Yr-Yr
Change
’14-’17
Avg
’18-’20
Avg
’14-’17 Avg
Compared to
’18-’20 Avg
Drug Possession 144 148 138 130 158 174 253 45% 140 195 39%
Drug Sales 207 223 206 185 199 193 266 38% 205 219 7%
DUI 237 208 226 213 214 223 257 15% 221 231 5%
All Drug Offenses 181 186 184 173 186 194 259 34% 181 213 18%

Firearms

Yearly Median Days to Disposition by Police District

Data: Year End Count of Median Days to Disposition by Offense Category

Offense Category 2014 2015 2016 2017 2018 2019 2020 Yr-Yr
Change
’14-’17
Avg
’18-’20
Avg
’14-’17 Avg
Compared to
’18-’20 Avg
Possession of Firearms 281 305 268 269 255 220 315 43% 281 263 -6%
All Firearms Offenses 281 305 268 269 255 220 315 43% 281 263 -6%

Other

Yearly Median Days to Disposition by Police District

Data: Year End Count of Median Days to Disposition by Offense Category

Offense Category 2014 2015 2016 2017 2018 2019 2020 Yr-Yr
Change
’14-’17
Avg
’18-’20
Avg
’14-’17 Avg
Compared to
’18-’20 Avg
Prostitution/Sex Work 104 105 109 105 199 432 745 72% 106 459 333%
Patronizing Prostitutes 61 74 68 70 81 98 157 60% 68 112 65%
Threats of Violence 108 104 118 106 127 125 199 59% 109 150 38%
All Other Offenses 95 99 102 101 143 146 225 54% 99 171 73%