In 1973 , Israel sent commandos to Beirut , Lebanon to kill a number of high level PLO officials in the 1973 Israeli raid on Lebanon .
This prompted Israel to launch a revenge campaign called Operation Wrath of God , with Youssef as a principal target .
In 1973 , Israel sent commandos to Beirut , Lebanon to kill a number of high level PLO officials in the 1973 Israel raid on Lebanon .
This prompted Israel to launch a revenge campaign called Operation Wrath of God , with Youssef as a principal target .