CRIMES COMMITTED BY CHILDREN
In 1991, 4,675 children were arrested in San Mateo County, an increase of 7.5% from 4,350
in 1990. Figure A details recent San Mateo County juvenile arrest trends. Misdemeanor
arrests still account for a majority (57.6%) of arrests, while felony arrests increased to
33.7% of all juvenile arrests, up from 31.0% in 1990. Status offenses remained
nearly constant at 8.7% (from 8.8% in 1990.) Figure B shows 1991 juvenile violations,
broken down by category.
Over the last few years, misdemeanor and status offense arrests have remained fairly
constant, but the number of felony arrests has increased slightly every year since 1986
(with the exception of 1990), yielding an average increase of 9.4% per year. In
1991, there were 1,574 felony arrests of children, a 16.8% increase from 1990. While
misdemeanors are up 2.9% from 1990 and status offenses are up 6.3%, violations in these
categories have remained generally consistent over the past nine years. Figure C
details these trends.
Felony Arrests
Figure D1 details breakdown by percentage of juvenile arrests for felonies in 1991.
Burglary, as in past years, accounted for the largest proportion of juvenile felony
arrests in 1991, with 441 arrests, or 28% of the total. Also accounting for large
shares of felony arrests were motor vehicle theft (252 arrests, 16%) and theft (224
arrests, 14.2%). The increases in these three offenses alone account for 64.6% of the
increase in felony arrests. Felony arrests for homicide fell from five to four.
Felony arrests for marijuana increased from 24 to 41 and dangerous drugs increased
from 7 to 13. The largest percentage increase in felony arrest was forcible rape, up
from 7 arrests in 1990 to 15 in 1991.
Misdemeanor Arrests
Petty theft arrests accounted for the largest portion (38.3%) of misdemeanors, with
1,032 arrests; petty theft arrests for 1991 remained nearly constant with 1990 and 1989
levels. Assault and battery was the second most common offense, with 479 arrests, or
17.8% of the total misdemeanor arrests. This figure constitutes no significant
change since 1990. Malicious Mischief accounted for 11.0% of misdemeanor arrests,
with 297 arrests in 1991, down slightly from 321 in 1990. Figure D2 shows the
breakdown of misdemeanor arrests by offense.
Status Offenses
Of all categories of juvenile violations in 1991, status offenses remained the most
constant. Status offenders are juveniles who are habitually disobedient or truant,
beyond parental control or in violation of curfew ordinances. The total number of
status offense petitions increased 6.3% in 1991, from 383 in 1990 to 407, representing
8.7% of all citations or arrests of children.
Most status offenders were runaways, although the number of runaways decreased 29.8% to
203 in 1991. Truancy cases increased from seven in 1990 to 22 in 1991. The
change in truancy is difficult to measure because only a small fraction of truants are
cited for status offenses. Many schools address truancy through the intervention of
school review boards, without involving the juvenile justice system. Curfew
violators continued to increase in 1991, from 37 in 1990 to 51 (the 1989 figure was only
8.) The breakdown of status offenses is shown in Figure D3.
Alcohol and Other Drug Violations
The number of arrests of children for narcotics, marijuana and other drug law
violations fell from 149 to 144 in 1991, a percentage change of -3.3%. A marked change
however, was noticeable in the percentage of drug law violators arrested on felony
charges. In 1990, 54.4% of drug law violators were arrested for felonies, while the
1991 figure is 62.5%. In 1991, felony arrests for marijuana increased from 24 to 41
arrests, and arrests for dangerous drugs increased from 7 to 13 instances.
The number of arrests of children for drunkenness and liquor law violations increased
slightly, from 161 arrests in 1990 to 169 arrests, a change of 4.9%. In addition,
misdemeanor arrests for driving under the influence of alcohol increased from 36 arrests
in 1990 to 45 arrests in 1991. Felony arrests for driving under the influence
continued to be negligible (one incident).
Despite the low number of arrests for alcohol and drug violations, arrest statistics may
not accurately reflect the incidence of drug and alcohol use among the juvenile population
addressed in this report. Many juveniles who are arrested for other charges are
later found to be drug or alcohol users. Available data provides no means of
statistically representing the effect of drug or alcohol use on other juvenile violations.
Arrest Trends
The number of children arrested and the absolute and percentage changes for each
offense are disclosed in Table 1.
| FELONIES |
1990 |
1991 |
Absolute Change |
Percentage Change |
| Homicide |
5 |
4 |
-1 |
-20% |
| Rape |
7 |
15 |
8 |
114% |
| Robbery |
96 |
82 |
-14 |
-14.6% |
| Assault |
129 |
161 |
32 |
24.8% |
| Burglary |
375 |
441 |
66 |
17.6% |
| Theft |
196 |
224 |
28 |
14.3% |
| Auto Theft |
200 |
252 |
52 |
26% |
| Forgery |
22 |
30 |
8 |
36.4% |
| Arson |
24 |
24 |
0 |
0 |
| Narcotics |
50 |
36 |
-14 |
-28% |
| Marijuana |
24 |
41 |
17 |
70.8% |
| Dangerous Drugs |
7 |
13 |
6 |
85.7% |
| Weapons |
95 |
96 |
1 |
1.1% |
| All Other |
118 |
155 |
37 |
31.3% |
| Total |
1348 |
1574 |
226 |
16.8% |
| |
|
|
|
|
MISDEMEANORS
|
1990 |
1991 |
|
|
| Assault & Battery |
468 |
479 |
11 |
2.3% |
| Petty Theft |
1047 |
1032 |
-15 |
-1.4% |
| Other Theft |
13 |
12 |
-1 |
-7.7% |
| Trespassing |
74 |
105 |
31 |
41.9% |
| Marijuana |
43 |
37 |
-6 |
-14% |
| Other Drugs |
25 |
17 |
-8 |
-32% |
| Drunk |
76 |
86 |
10 |
13.1% |
| Liquor Laws |
85 |
83 |
-2 |
-2.4% |
| Disturbing Peace |
113 |
143 |
30 |
26.5% |
| Mal. Mischief |
321 |
297 |
-24 |
-7.5% |
| DUI |
36 |
45 |
9 |
25% |
| Joy Riding |
70 |
83 |
13 |
18.6% |
| All Other |
248 |
275 |
27 |
10.9% |
| Total |
2619 |
2694 |
75 |
2.8% |
| |
|
|
|
|
| STATUS OFFENSES |
1990 |
1991 |
|
|
| Truancy |
7 |
22 |
15 |
214% |
| Runaway |
289 |
203 |
-86 |
-29.7% |
| Curfew |
37 |
51 |
14 |
37.8% |
| Incorrigible |
19 |
70 |
51 |
268% |
| All Other |
31 |
61 |
30 |
96.8% |
| Total |
383 |
407 |
24 |
6.3% |
| Total Arrests |
4350 |
4675 |
325 |
7.5% |
- Table 1 (Bureau of Criminal Statistics)
Several different factors may have contributed to the changing numbers in this year's
arrest statistics. Arrest patterns are affected by changes in local ordinances, law
enforcement policies and procedures, actual crimes committed, demographics, and other
sociological considerations. |