A Nevada man pleaded guilty on Friday to purchasing high-powered firearms and ammunition to sell to drug-trafficking organizations in Mexico, money laundering and employing people illegally in the US, Department of Justice officials said. Luis Alberto Osorio allegedly conspired with co-defendants between April 2020 and last September to buy 140 firearms, magazines, and ammunition for people affiliated with violent Mexican drug-trafficking cartels, which would be sold south of the border for a profit, according to the US Attorney’s Office in Nevada. The guns included large caliber and long-range firearms such as the Ohio Ordnance Works M2-SLR .50 BMG, the Barrett...