Published: Sep 20, 2010 4:02 PM EDT
Updated: Sep 20, 2010 1:02 PM EDT

FORT LAUDERDALE, Fla. (AP) - A South Florida man will go on trial for the seventh time in the 2001 killing of his ex-girlfriend.

Jury selection begins Monday in the case against Alan Ruff. His ex-girlfriend, Traci Cooper, was stabbed and slashed 49 times as she worked alone in an air conditioning repair office.

A Broward County jury convicted Ruff in 2007 of first-degree murder in the circumstantial case. But an appeals court in February overturned the conviction and sent the case back for a new trial.

The case has previously ended in two mistrials, three hung juries and the one overturned conviction.

The Sun-Sentinel reports that there are no official records or tallies of how many times a single murder case has returned to trial.