Hillsborough County deputies arrested a 15-year-old boy for his role in a deadly shooting outside the Citrus Park Town Center mall.Detectives say they determine a fight between two groups of teenage boy occurred following a planned "slapboxing" event in the parking garage.Slapboxing is an activity where people simulating boxing using open-handed slaps instead of fists. Participants can be injured because the goal is to slap an opponent as hard as possible while avoiding being slapped in return.The Sheriff's Office says following after they finished slapboxing, the groups shook hands and left.However, a short time later, some individuals reunited near the Red Robin restaurant outside the mall. Detectives say that is when a fight broke out and the shooting occurred.Deputies arrested Samuel Oquendo on Thursday night. He is charged him with Murder in the Second Degree, Minor in Possession of a Firearm, and Carrying a Concealed Firearm.ABC Action News is naming the teenager because he is charged with a serious felony."This 15-year-old defendant will be facing adult charges because he made an adult decision with a firearm. It breaks our hearts to see another young person lost to gun violence. We will stand with the victims family to ensure the person responsible for his death is held accountable, said State Attorney Suzy Lopez."There is no excuse for a teenager to have access to a weapon. It is our responsibility as parents to hold them accountable before its too late," said Sheriff Chad Chronister. "Parents, please have those important conversations with your children. Make them understand the consequences of their actions, especially when it comes to firearms."Authorities say Peter "PJ" Hyman Jr. is the 16-year-old boy who was shot. He later died at a local hospital.Peter's mother, Bianca Cooper, said her son attended Jefferson High School and was an honor student.The family started a GoFundMe page to help pay for medical bills and funeral expenses.