The father and girlfriend of a drunk driver who fled the scene of a fatal crash have been jailed.
Christopher Jasper, 25, of Maple Way, Kensworth, Bedfordshire, had admitted causing death by dangerous driving and was sentenced in June.
Paul Robinson, 26, of Dunstable, died after the crash on 27 December 2009.
Jasper's father, Glen Jasper was jailed for nine months and Tanya Cameron for six months at Luton Crown Court for perverting the course of justice.
The court heard Jasper crashed his BMW into a tree on Lowther Road, Dunstable, after drinking at a local pub, killing his friend and seriously injuring another passenger
He fled the scene and could not be breath tested. He was jailed for five years earlier this year.
Jasper's father, Glen, 46, and mother Annie, 49, were convicted of perverting the course of justice after a trial.
Tanya Cameron, 25, of Harcourt Street, Luton, pleaded guilty to the charge.
Annie Jasper was given a nine-month sentence, suspended for two years, with 100 hours unpaid work.
Stuart Sprawson, defending Glen Jasper, said his client had contacted police the morning after the crash and "came clean" and tried to assist them.
Rebecca Meads, for Cameron, said: "When police came to her door, in a split second she lied. She was panicked and frightened.
"Later she was making phone calls begging her boyfriend to go to the police but he would not speak to her."