BROWNSVILLE — A 27-year-old man has pleaded guilty to illegally possessing numerous firearms, announced U.S. Attorney Jennifer B. Lowery.Marco Antonio Moreno pleaded guilty to unlawfully possessing four semiautomatic rifles and five pistols while under felony indictment.On May 8, 2021, law enforcement responded to reports of shots fired at a residence located in San Benito. Upon arrival, they encountered Moreno who denied discharging a firearm. He claimed unknown individuals had entered his property and shot a gun.However, they observed spent shell casings in the area and asked Moreno if he owned any firearms. He said he did not and granted consent ...