. >> reporter: daniel del mar said it was a desperate act. the girl had been introduced to drugs. >> it got as bad as las wednesday. police tracked him down, pinned him in a parking lot up at the comfort inn in hagerstown. we got my daughter out of the truck with the boy she was running around with. they found heroin. in the process of getting ready to arrest him, my daughter quit breathing and od'd in the parking lot. >> reporter: del mar, who faces charges is the young girl's father. he said when his daughter refused to come ho after the overdose, she made him move out of eric manly's home. >> we finally got them apart on sunday and i begged him to go stay with his folks in hagerstown. we had made arrangements. >> reporter: del mar claims manly called and said his daughter was with him and prepared to drive, prompting them to drive there for the third time sips her overdose. she wasn't there but manly threatened him with a knife and the man defended himself with a bat. >> that was the only reason a what -- that what happened, happened, to s