DELHI -- The discovery of a backpack stuffed with three loaded guns and an assault rifle prompted a lockdown at Delhi High School and Delhi Middle School on Monday. A man searching for aluminum cans found the backpack at 9 a.m. near a trash can on the western edge of the Delhi Educational Park, the campus that houses the middle school and high school. Inside the backpack was a loaded .357 magnum, a 40-caliber automatic pistol, a 380 semi-automatic pistol and an SKS assault rifle with a 30-round banana clip stocked with ammunition, said Sheriff Mark Pazin. "There's nothing more...