According to an unidentified senior U.S. official, sometime after the bombing of Kata'ib Hezbollah in late December 2019, a security briefing was convened at President Trump's Mar-a-Lago estate where he and his advisors, including Secretary of State Mike Pompeo, Defense Secretary Mark Esper, and chairman of the joint chiefs of staff General Mark Milley discussed how to respond to Iran's alleged role in sponsoring anti-U.S. attacks in Iraq. Reportedly, the targeted killing of Iranian general Qasem Soleimani, whom U.S. officials regarded as a facilitator of attacks on U.S. personnel in Iraq, was listed as the "most extreme option"[87] of many options on a briefing slide,[88] reflecting an alleged practice among Pentagon officials whereby a very extreme option is presented to presidents so as to make other options appear more palatable.[89][87] Trump chose the option to kill Soleimani, prompting the CIA and other U.S. intelligence agencies that had tracked Soleimani's whereabouts for years to locate him on a flight from Damascus to Baghdad, reportedly to hold meetings with Iraqi militiamen. The air strike would have been called off if Soleimani had been on his way to meet with Iraqi government officials aligned with the U.S
https://en.wikipedia.org/wiki/Assassination_of_Qasem_Soleimani#Prelude