They're reportedly seeking evidence of manslaughter
Late singer's 1988 memoirs to be issued later this year
Officials believe that Propofol caused his heart to stop
Plus Michael Jackson becomes longest serving album chart topper of 2009
TMZ.com says cause of singer's death will be confirmed next week
They're looking for manslaughter evidence, says lawyer
City of Los Angeles may have misspent taxpayers' money
He tells Larry King that he believes foul play was involved
Neighbours say 'Never!' to Neverland Ranch development
Plus new Motown 50 collection of singer's hits released