Police said the victims were either in their car or alone on the street when a group of men pointed guns at them and then stole their vehicle or other personal belongings.
Police said the carjackings and armed robberies occurred in the:
- 1400-block of West Sunnyside Avenue at about 10:30 p.m. Monday
- 2900-block of North Paulina Street at about 9:45 p.m. Wednesday
- 3600-block of North Greenview Avenue at about 10 p.m. on Wednesday
- 2300-block of West Waveland Avenue at about 11:45 p.m. Wednesday
Anyone with information is asked to contact Area North detectives at (312) 744-8263.