In each incident, victims are approached by gunmen who threaten to shoot them and demand the victims' property and their vehicle.
The carjackings happened at the following times and locations:
- At 8:20 p.m. Feb. 16 in the 1300 block of North Hoyne Avenue in Wicker Park
- At 7:56 p.m. Feb 18 in the 3100 block of North Sacramento Avenue in Avondale
- At 10:03 a.m. Feb 19 in the 1300 block of North Wood Street in Wicker Park
- At 2:20 a.m. Feb. 28 in the 2100 block of North Maplewood Avenue in Logan Square
Anyone with information is asked to call Area Five detectives at (312) 746-7394.