In 2003, police said the 38-year-old man sexually assaulted a three-month-old girl in the Jane St. and Trethewey Dr. area.
Earlier this year the 38-year-old man is alleged to have sexually assaulted a 32-year-old woman and then threatened to kill her.
Ochieng Murray, 38, of Toronto was arrested on July 12 and is charged with three counts of sexual assault, sexual interference, forcible confinement and threatening death. He is scheduled to appear in court on Monday.
Jermaine Budgeon, 37, of Toronto, is charged with sexual assault and forcible confinement.
Police said Murray lived in the Keele St. and Lawrence Ave. W. area between 1991 and 1994, and officers are concerned there may be additional alleged victims.
Anyone with information is being asked to contact 12 Division at 416-808-1200 or Crime Stoppers anonymously at 416-222-8477.