Oak Park police are investigating an armed carjacking and robbery reported to have occurred on Monday afternoon between 2 p.m. and 5 p.m. on Madison Street. The vehicle, a 2001 Ford Focus, has a temporary license plate.

An unknown male offender was discovered to have stolen $50 in cash from the customer service desk at the 7501 North Ave. location of Dominick's Finer Foods, after tricking an attendant into giving him incorrect change.

A vehicular hijacking was carried out by two unknown offenders on the 100 block of S. Maple Ave. in Oak Park at just after 9 p.m. Wednesday night.

Three teenagers — two of them displaying semi-automatic handguns — robbed the 7-11 on the 200 block of Chicago Avenue at 11:38 p.m. on Jan. 18. The youths entered the store, allegedly displayed handguns and demanded cash from the registers.

The Oak Park Police Department is considering adding two new positions, though they wouldn't be out patrolling the streets.

A River Forest man was walking on the 200 block of N. Harlem, Jan. 10 around 10:25 p.m., when a woman and man approached him and asked for change. When the man removed his wallet, the couple allegedly attempted to grab it, but failed.

Oak Park saw the lowest level of crime in almost 30 years in 2010, according to annual crime stats released by the police department on Friday. Overall, 1,904 crimes were investigated by local police last year, a 12-percent drop from 2009. Police Chief Rick Tanksley attributed the dip to the willingness of village residents to get involved.

An Oak Park physician was in police custody last Friday after allegedly offering prescription drugs on Craigslist in exchange for sex.

River Forest police arrested a Chicago man last week, for allegedly stealing a car part from a vehicle parked in Concordia University's parking garage in September.

A woman was tricked into letting thieves into her house last Thursday at 2:35 p.m. when an older-model, gray-and-white Pontiac pulled into her driveway on the 1100 block of Rossell. Three men exited and told her there were electric wires hanging on her garage.