Executed Minneapolis nurse Alex Pretti was known to federal agents before they killed him, sources claim. Sources told CNN that Pretti had a run-in with federal agents prior to them killing him on 24 January:Pretti’s name was known to federal agents. The Department of Homeland Security (DHS) denied knowledge of the encounter. But CNN said it had seen documents which showed federal agents routinely gathered data on “agitators”. Alex Pretti vs trigger-happy paramilitariesThe Department of Homeland Security (DHS) has fired shots 16 times since July, according to Trump aides.