>> and it turned out lisa did know something, just not what tara suspected. there were secrets, which lisa and gavin kept hidden. >> i was the love of gavin's life. he adored me. our family was exactly what he wanted to have, he just got lost. >> lost. . it all started in the early 80s even before she met gavin when he was a stunt man on recommendington steel. >> he would get pain bills for his pack. when that didn't work anymore he was prescribed oxycontin. and he was addicted to it. >> he went to a drug rehab center called the matrix institute. >> he clearly stopped using.