Updated

The Latest on the case of a former Oklahoma police officer accused of killing his daughter's boyfriend. (all times local):

10:30 a.m.

An Oklahoma prosecutor says he will re-evaluate the case of a white former Tulsa police officer charged with shooting his daughter's black boyfriend to death after a mistrial was declared for the third time in nine months.

District Judge Sharon Holmes declared the mistrial Friday in the case of Shannon Kepler. The 57-year-old former Tulsa police officer is accused in the Aug. 5, 2014, shooting death of 19-year-old Jeremey Lake. Lake had just begun dating Kepler's daughter, Lisa Kepler.

Holmes declared the mistrial after the jury reported it was deadlocked 6-6. Attorneys involved say the jury deliberated for just 2 ½ to three hours. Previous juries reported they were also deadlocked after deliberating for much longer.

District Attorney Steve Kunzweiler says he will re-evaluate the case but believes a jury should do its job and reach a verdict.

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1:15 a.m.

For the third time in less than a year a jury deadlocked on Friday and forced a mistrial in the murder case of a white former Oklahoma police officer accused of killing his daughter's black boyfriend, astonishing prosecutors and frustrating the boyfriend's family.

Judge Sharon Holmes declared the mistrial over the fate of former Tulsa police officer Shannon Kepler. He was accused of fatally shooting 19-year-old Jeremey Lake in August 2014, not long after Lake started dating Kepler's then-18-year-old daughter, Lisa.

Attorneys said jurors deliberated for just 2 ½ to three hours.

Tulsa County District Attorney Steve Kunzweiler said he was shocked that a mistrial was declared after such short jury deliberations.

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This story has been corrected to reflect that the attorneys say the jury deliberated for 2 ½ to 3 hours instead of 4 hours.