NEW You can now listen to Fox News articles! A man accused of targeting federal immigration agents and pretending to be one of them is now facing serious prison time after prosecutors say his stunt put law enforcement in danger. Jaime Ernesto Alvarez-Gonzalez, 53, an illegal immigrant who overstayed a tourist visa decades ago, pleaded guilty Tuesday after admitting he impersonated a U.S. Border Patrol agent to interfere with deportation operations. Authorities say the impersonation was deliberate and planned. On Jan. 8, Alvarez-Gonzalez allegedly trailed a real Border Patrol agent through San Diego, California, in a black Ford F-150 dressed up to resemble an undercover federal vehicle. TOW TRUCK DRIVER SLAPPED WITH FEDERAL CHARGE AFTER HAULING AWAY ICE VEHICLE: 'HE CAN LAUGH BEHIND BARS' Prosecutors say Alvarez-Gonzalez possessed guns despite being prohibited. (U.S.…