Police have made arrests in connection with last week’s killing of a 15-year-old boy at a Bronx bodega.Police identified one of the suspects as 19-year-old Kevin Alvarez, of the Bronx. He was arrested Sunday on charges of murder, manslaughter and gang assault. WPIX reports police received a tip just before 2 p.m. Sunday. A large group of police officers responded to a home connected to the Trinitarios gang. Eight suspects have been arrested, CBS 2 reported Monday.Police say the victim, 15-year-old Lesandro Guzman-Ortiz, was attacked by a group of men outside the bodega. He was dragged out of a bodega and hacked to death with a machete, police said.The leader of the Trinitarios gang apologized on Facebook, saying the vicious murder resulted from a case of mistaken identity. Sources tell WPIX that a gang member was angry because a relative was featured in a sex video. Lesandro Guzman-Ortiz was mistakenly identified as being in the video. "They have to make sure when they kill someone they have the right person," Lesandro's mother, Leandra Feliz, told ABC 7.People also expressed outrage as surveillance video of the attack showed bodega workers did nothing to help him, ABC 7 reported.#JusticeforJunior began trending on social media after rapper Cardi B posted about the case on Instagram. A GoFundMe page has been set up by Guzman-Feliz's family to help with funeral costs and other financial difficulties.