Police are warning residents about two robberies this month in the South Shore neighborhood on the South Side.
In each incident the robber approached the victims from behind and forcibly took jewelry, according to a community alert by Chicago Police.
The robberies happened about 1 p.m. June 2 in the 7800 block of South Colfax Avenue and between 4 and 6 p.m. June 13 in the 7800 block of South Essex Avenue, police said.
The robber is described as a black man between 18 and 25 years old, around 5-foot-8, weighing between 140 and 150 pounds with dreadlocks and a dark complexion, police said.
Anyone with information should call Area South detectives at (312)-747-8273.