Lancaster County District Attorney Craig Stedman says all three men were arrested Wednesday, just under two weeks after they allegedly burst in 62-year-old Douglas Herr's Drumore Township home and killed him.
The three suspects were identified as Stephen Harmer, of Kirkwood, and brothers Kyle and Cody Wunder of Aston, Delaware County.
Stedman says Herr retrieved a firearm during the Aug. 17 confrontation and shot Cody Wunder in the leg before he was shot and killed. The prosecutor says Herr had a safe containing a large amount of cash he received as part of a settlement from his wife's death in 2009.
All three men are being held without bail. Court records don't list attorneys for them.