Police say that attack was caught on surveillance video.
During the investigation, police say they were able to link him to the attack of a woman last August in her Lakeview home.
Gold Coast attack linked to 2007 case
CHICAGO Police say James Castaldo,47, walked up to a woman on Tuesday as she was going into her Gold Coast apartment building near N. Clark and W. Schiller.
He's accused of sexually abusing the woman and taking her wallet, cell phone and keys.
