An explosive major investigation into the ambush and murder of two young policemen in Melbourne’s Walsh Street in 1988. The notorious crime remains unsolved and reporter Ross Coulthart uncovered the reason why. See the stunning confession of a former cop and the secret tapes the jury never heard, naming the Underworld killers who got away with murder. This story originally aired in 2011. Subscribe to 7NEWS Spotlight for the latest video » http://7news.link/SpotlightSubscribe Connect with 7NEWS Spotlight online Visit » https://7news.com.au/spotlight 7NEWS Spotlight Podcast » http://smarturl.it/7NewsSpotlight Facebook » https://www.facebook.com/7newsSpotlight/ Twitter » https://twitter.com/7newsSpotlight/ Instagram » https://instagram.com/7newsSpotlight/ 7NEWS combines the trusted and powerful news brands including Sunrise, The Morning Show, The Latest, and 7NEWS.com.au, delivering unique, engaging and continuous coverage on the issues that matter most to Australians. Watch 7NEWS nightly at 6pm and weekdays at 11:30am and 4pm on Channel 7 and 7plus.