Video shows the moment when a drink and drug-fuelled driver heard he’d killed his passenger after leaving the mum-of-two for dead to cover his tracks.<br /><br />‘Selfish’ Ashley Dean, 40, was heard asking police “Is she alive?” after the horror crash where “bubbly” Lisa Birtwistle, 32, tragically lost her life.<br /><br />The dad had spent six hours boozing at a nearby pub before getting behind the wheel of his white Vauxhall Vivaro van on March 23 last year.<br /><br />And as he drove through Poulton-le-Fylde, Lancs., at 10.15pm, he failed to make a left-hand bend and hit a kerbstone before wedging the van against a lamppost.<br /><br />Police investigators later estimated that Dean had been travelling between 47mph and 57mph before the smash on Blackpool Road, which has a 30mph speed limit.
