Benazir Bhutto died after hitting head on car 's sunroof , Pakistan government claims . Former prime minister earlier claimed to have died from bomb shrapnel or bullets . Pakistan People 's Party official says government claims are ` ` pack of lies '' Pakistani government names Taliban leader as suspected plotter .
Benazir Bhutto died after hitting head on car 's sunroof , Pakistan government says . Former prime minister earlier said to have died from bomb shrapnel or bullets . Pakistan People 's Party official says government explanations are `` pack of lies '' U.S. official names Taliban leader as suspected plotter .