Your government witness is walking the streets without fear for his safety and you want all this security for your jury? That just doesn't add up.
Maybe the Feds urged him to do this and relayed the information to GA, to challenge any alleged LCN Members to take a shot at him then cooperate. You think the mob would recruit someone that is really sick and does not have that much time to live to just shoot Lou in his stupid face, then they die in jail a year or two later or get taken out by an agent.