Case Length

Year End 12/31/2019

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.

189 days

to Complete

Agg. Assault/Gun

Cases

485 days

to Complete

Homicide

Cases

36,091

Cases Currently Open

  -22%

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 Yr-Yr
Change 		’14-’17
Avg 		’18-’19
Avg 		’14-’17 Avg
Compared to
’18-’19 Avg
All Violent Offenses 122 116 130 135 139 120 -14% 126 130 3%
All Property Offenses 133 136 131 128 149 162 9% 132 156 18%
All Drug Offenses 178 180 182 171 184 189 3% 178 186 4%
All Firearms Offenses 272 302 266 268 255 217 -15% 277 236 -15%
All Other Offenses 94 99 101 101 141 146 4% 99 144 45%
Uncategorized Offenses 234 194 179 152 189 154 -19% 190 172 -9%
All Offenses 160 158 160 154 172 166 -3% 158 169 7%

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 Yr-Yr
Change 		’14-’17
Avg 		’18-’19
Avg 		’14-’17 Avg
Compared to
’18-’19 Avg
Homicide 575 604 543 557 546 485 -11% 570 516 -9%
Rape 292 363 501 535 397 413 4% 423 405 -4%
Robbery/Gun 259 308 348 355 282 209 -26% 318 246 -23%
Robbery/Other 128 130 132 116 132 113 -14% 126 122 -3%
Aggravated Assault/Gun 269 324 336 321 224 189 -16% 312 206 -34%
Aggravated Assault/Other 113 111 113 116 116 112 -3% 113 114 1%
Other Assaults 84 76 73 78 85 87 2% 78 86 10%
Sexual Assault and Other Sex Offenses 167 156 196 173 182 233 28% 173 208 20%
All Violent Offenses 122 116 130 135 139 120 -14% 126 130 3%

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 Yr-Yr
Change 		’14-’17
Avg 		’18-’19
Avg 		’14-’17 Avg
Compared to
’18-’19 Avg
Burglary/Residential 167 167 175 190 177 168 -5% 175 172 -2%
Burglary/Commercial 185 175 217 170 147 170 16% 187 158 -16%
Theft of Motor Vehicle Tag 136 117 228 115 157 205 31% 149 181 21%
Theft from Person 118 149 101 102 136 114 -16% 118 125 6%
Theft from Auto 122 142 117 135 144 138 -4% 129 141 9%
Retail Theft 106 107 99 98 140 193 38% 102 166 63%
Theft 143 138 122 130 146 156 7% 133 151 14%
Auto Theft 168 174 208 152 145 150 3% 176 148 -16%
Fraud/Theft of Services 148 169 188 161 159 175 10% 166 167 1%
Embezzlement 195 148 163 152 172 195 13% 164 184 12%
All Property Offenses 133 136 131 128 149 162 9% 132 156 18%

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 Yr-Yr
Change 		’14-’17
Avg 		’18-’19
Avg 		’14-’17 Avg
Compared to
’18-’19 Avg
Drug Possession 142 146 136 128 157 174 11% 138 166 20%
Drug Sales 203 216 203 183 196 191 -3% 201 194 -3%
DUI 234 205 222 211 210 208 -1% 218 209 -4%
All Drug Offenses 178 180 182 171 184 189 3% 178 186 4%

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 Yr-Yr
Change 		’14-’17
Avg 		’18-’19
Avg 		’14-’17 Avg
Compared to
’18-’19 Avg
Possession of Firearms 272 302 266 268 255 217 -15% 277 236 -15%
All Firearms Offenses 272 302 266 268 255 217 -15% 277 236 -15%

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 Yr-Yr
Change 		’14-’17
Avg 		’18-’19
Avg 		’14-’17 Avg
Compared to
’18-’19 Avg
Prostitution/Sex Work 104 104 107 104 197 428 117% 105 312 197%
Patronizing Prostitutes 61 74 68 70 81 98 21% 68 90 32%
Threats of Violence 107 104 112 106 128 125 -2% 107 126 18%
All Other Offenses 94 99 101 101 141 146 4% 99 144 45%