article_snippet.sent: Michelle Bird (pictured) was convicted of assisting an offender and sentenced to two and a half years .
article_snippet.sent: Bird said Bird was on an errand to buy alcohol at the time of the killing but later admitted helping Bird boyfriend in the aftermath.
article_snippet.sent: Unemployed Simon - who has convictions for robbery, burglary, theft and drug supply - moved to Derby in a bid to evade police when news of the body find broke - but was arrested with Bird on May 19 and charged two days later.
highlights_snippet.sent: Girlfriend Michelle Bird jailed for two and a half years for assisting an offender - but acquitted of murder .