Double Jeopardy killer Billy Dunlop believed he'd gotten away with the brutal killing of his former partner Julie Hogg, but justice arrived 17 years later following his mindless brag

For 17 long years, the unsolved murder of single mother Julie Hogg left her loved ones in a state of 'limbo', but everything finally came to light after killer Billy Dunlopbragged about his crimes behind bars, believing he'd gotten away with his crimes.