Assistant District Attorney Richard Sax told Geroff that Miller had already received mercy from the jury that found him guilty of third-degree murder instead of the first-degree verdict prosecutors sought.
Sax said Miller did not even have the respect to address the victim's family in his presentencing statement.
According to trial testimony, the killing happened late on a warm Sunday on the patio outside the PYT restaurant at the Piazza.
Kimble and three friends and Miller and two women were seated at tables about eight feet apart outside the restaurant.
Both groups had been drinking earlier and at PYT without incident. But after midnight one of Miller's friends went to a unisex restroom. Kimble followed and, according to testimony, asked her for her phone number. She rebuffed him and left, but Kimble followed. The woman complained to Miller, and he turned his attention to Kimble.
Following a confrontation, witnesses said, Miller pulled out a gun and shot Kimble in the chest and groin, killing him.
Miller's lawyer, Samuel C. Stretton, argued that Miller thought Kimble had reached for a gun - none was found - and that Miller was still suffering the aftereffects of being shot and almost killed in 2009 in a confrontation with a group of people he did not know.
"He's lived in terror ever since," Stretton said.
After the killing, Miller fled Philadelphia and was arrested in late June 2012 in Houston.