Washington County Tennessee Prosecutors Have Decided That A Teen Was Justified When He Killed His Mother’s Boyfriend. 19 Year Old Matthew Dye Had A Murder Charge Dismissed Against Him In The Stabbing Death Of 41 Year Old Gary Taylor. The Stabbing Occurred Last September At Taylor’s Home On East Maple Street. Assistant District Attorney Fred Lance Says Evidence Indicates That Taylor Had A History Of Violence Against Dye’s Mother And When He Became Violent Towards Her, Dye Stepped In To Defend His Mother During A Scuffle.