sentences:  Siragusa served as an Assistant District Attorney in Monroe County from 1977 to 1992 where he rose to the rank of First Assistant District Attorney.During his time as First Assistant District Attorney, Siragusa successfully prosecuted Arthur Shawcross, also known as The Genesee River Killer.Shawcross had killed eleven victims starting in 1988 before his capture less than two years later in January 1990.