PITTSFIELD, Mass. — A former guard at the Berkshire County jail is facing drug and gun charges after police say they found about 63 pounds of marijuana, 13 unsecured guns and more than $40,000 in cash in his Pittsfield home.The Berkshire Eagle (http://bit.ly/121Vdnl ) reports that police say among the weapons in 36-year-old Roberto Mazzeo's home were an assault rifle and a pistol reported stolen.Prosecutors say the weapons were found in different rooms.