A convicted drug dealer faces execution for shooting an 18-year-old man to death a decade ago during a robbery outside a Waco convenience store.
Authorities say Carroll Joe Parr was trying to get his money back after he bought 7 pounds of marijuana.
Parr says he's not responsible for the January 2003 slaying of Joel Dominguez, although witnesses identified him as the shooter and others said he talked about doing the shooting.
A federal appeals court last week refused to halt his punishment, and his lawyers anticipate no last-day appeals to stop Tuesday evening's lethal injection in Huntsville.
The 35-year-old Parr, whose street name in Waco was "Outlaw," would be the fifth Texas inmate executed this year.
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