In the run-up to Christmas 2006, the close-knit community of Ipswich is torn apart as the bodies of five vulnerable women are found within 10 days sparking the biggest manhunt in the East of England.

With a serial killer on the loose, women fear for their safety and every man becomes a potential suspect. The killings highlight the vulnerability of street sex workers and the rocky relationship between police and press.

In Ipswich, DNA evidence on three of the murdered victims provides Suffolk police with a match. As the forensics team work around the clock, could his past be linked to other unsolved murders?