Police said emergency services were continuing to search for the missing infant. Credit: News Corp AustraliaWARNING: Sensitive contentPolice are treating the deaths of a woman and her toddler as a murder-suicide. Emergency services were first contacted after a car was found abandoned near Cape Northumberland about 11.15am on Monday with its engine running. The search for her missing baby son is ongoing across land, sea, and air by police, the SES, and community volunteers. “If it involves children, that breaks your heart … particularly when we know there was a two-month-old baby missing.