Sinister souvenir: In this photograph police seized from the house of Ivan Milat's brother William, the serial killer is seen carrying the sleeping bag which belonged to Deborah Everist who with boyfriend Jame Gibson was the first of Milat's victims killed in the Belanglo State Forest. Everist and Gibson, who were stabbed multiple times, disappeared in January 1990. This photo of Milat carrying the sleeping bag was dated March 29, 1991