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Florida inmate Robert Brian Waterhouse executed after 31 years on death row

In this undated photo provided by the Florida Dept. of Corrections, shows Robert Brian Waterhouse. Roman Catholic bishops in Florida are asking Gov. Rick Scott to stop the execution of Waterhouse, scheduled for Wednesday, Feb. 15, 2012. Waterhouse was convicted in 1980 for raping and killing a 29-year-old mother in St. Petersburg, Fla.
AP Photo/Florida Dept. of Corrections
Robert Brian Waterhouse
AP Photo/Florida Dept. of Corrections

(CBS/AP) STARKE, Fla. - A man who raped a 29-year-old mother and left her to drown in the surf of Tampa Bay more than three decades ago has been executed after spending 31 years on death row.

Sixty-five-year-old Robert Brian Waterhouse died by lethal injection at 8:22 p.m. Wednesday at Florida State Prison near Starke. He had been on death row longer than any inmate previously executed in Florida. The execution was delayed two hours because of a last-minute appeal.

Waterhouse was convicted in 1980 of killing 29-year-old Deborah Kammerer of St. Petersburg, whose body was found in the tidal flats of Tampa Bay. She'd been beaten, raped and dragged into the surf. The two had been seen leaving a bar together, and blood, hair and fibers found in his car linked Waterhouse to the slaying.