NEW : A doctor sees the drips he believes saved Michael Jackson . NEW : Murray could ' ve saved Jackson if he was watching him , prosecution expert says . ` ` It 's just a crazy dream , '' doctor says of defense theory Jackson gave himself propofol . Murray 's lawyers should start their defense Friday .
NEW : A doctor demonstrates IV drips he believes killed Michael Jackson . NEW : Murray could 've saved Jackson if he was watching him , prosecution expert says . `` It 's just a crazy scenario , '' doctor says of defense theory Jackson gave himself propofol . Murray 's lawyers should start their defense Friday .