Fir the delay of 10 days before the announcement. Then electric shock to the head...whatever that means?...and strangulation. Now, injected with a drug that caused a heart attack? The UAE authorities say they can't rule anybody out. So like I said at the beginning we will probably never know who did it. But since some here like the playing the guessing game, I'll say he was killed because of infighting within the terrorists groups.
US rally shows support for ex-Marine held by Iran on spying charges (AP)
from the article: Dubai not ruling out Mossad hand in murder of Hamas official