Logistics, and a willingness to accept collateral damage, and the knowledge that negative popular sentiment blowback will be weak and ineffective. To take your Venezuela example, if the US was Israel, they probably would have just blown up his car or hit him with a drone strike.
Anyone can assassinate a leader, but dragging him out of his own capital with his wife, ZERO US losses and bringing them back to the US to try him in your courts, left a lot of people speechless for a week.
Logistics, and a willingness to accept collateral damage, and the knowledge that negative popular sentiment blowback will be weak and ineffective. To take your Venezuela example, if the US was Israel, they probably would have just blown up his car or hit him with a drone strike.
Which to be honest was the weaker approach.
Anyone can assassinate a leader, but dragging him out of his own capital with his wife, ZERO US losses and bringing them back to the US to try him in your courts, left a lot of people speechless for a week.