BUFFALO, N.Y. --  The Buffalo man convicted of killing one teenager and wounding three others in a shooting last year will spend the next three decades behind bars. Joseph Gant was sentenced to 35 years to life for the shooting death of 14-year old Raymond Patterson.

Joseph Gant, 29, had his head down as he stood before Judge Michael D'Amico on Wednesday waiting to hear his sentence after being found guilty of second degree murder and three counts of attempted murder.

"It is the judgment of this court Mr. Gant that you be sentenced on the murder conviction to an indeterminate sentence of a maximum of life in prison and a minimum incarceration if 25 years," said D'Amico.

In addition to 25 years, the judge tacked on another 10 years for the three attempted murder charges. Exactly one year ago to the day prosecutors said Gant intended to kill when he fired 10 shots near the Langfield-Kenfield Projects after a fight broke out.

Killed in the shooting was Raymond Patterson, 14. His brother Dae'mone Patterson along with Ned Rainey, Jr., 13, and Austin Neal, 17, were injured in the shooting. Gant's lawyer maintains he was simply trying to defend himself from an attack by gang members.

"I believe the district attorney’s office largely ignored the gang involvement here. I believe all of these young individuals were involved in a sect of the Bloods gang, our investigation shows that. They were all acting in concert. Those close enough to get shot were those involved in attacking my client," said Sam Davis, Gant's lawyer.

"There's basically two criminal defenses known to mankind: I didn't do it or I did it but", said Frank Sedita, Erie County district attorney.

Sedita said the self-defense claim is nonsense.

"You can't assert both defenses at the same time. You cant say you're not the assailant and then say 'But it was in self defense.' Nobody's buying it and obviously this jury isn't buying it either," said Sedita.

Just before the judge handed down his sentence, Gant was given the chance to address the court. He apologized but maintained he was the victim.

“I'm sorry (for) what happened, for the victims and their families. How does someone who's being beaten and robbed end up shooting?" said Gant.

Gant's lawyer said he will appeal the sentence.