The robbery happened about 6 p.m. at a bank in the 1200 block of South Wabash, police said.
Three masked individuals, one armed with a handgun, forced her back inside where they bound the victim before ransacking her home. An undisclosed amount of jewelry and cash were taken, police said.
Police have released a surveillance photo of the men who allegedly robbed three Northwestern University students at gunpoint early Sunday, then used a stolen credit card at a convenience store just minutes minutes later.
Chicago police are searching for a robber who targeted one of their own.