Detectives hope that four faded school pictures found in a decades old case file could lead to new information about a teenager believed to have been murdered by a serial killer.Investigators posted the four images on social media hoping to identify the young women in the photos. By Wednesday afternoon, three of the four women had been identified. Investigators said the killer is suspected to be serial killer Christopher Wilder, but the case has remained open.

Recognize these photos? High school portraits found in decades old murder case file

Detectives hope that four faded school pictures found in a 1980s case file could lead to new information about a teenager believed to have been murdered by a serial killer.