Jonaiki Martinez-Estrella

Jonaiki Martinez-Estrella (born January 10, 1994) is a Dominican-American gang member and killer who was a member of the Dominican Trinitarios gang based in New York City. He was active on June 20, 2018 when he and thirteen others stabbed and killed 15-year-old Bronx boy Lesandro "Junior" Guzman-Feliz outside of a bodega.

Martinez was first jailed in a separate robbery case in April 2016 when a group of men chased a 14-year-old boy in Freeport, New York, assaulted and robbed the teen of his cell phone and wallet containing cash.

Martinez was jailed for the murder in June 2018 in Paterson, New Jersey and then found guilty of first-degree murder, second-degree murder, manslaughter, gang assault, conspiracy and weapon possession in June 2019.

Jonaiki Martinez-Estrella was eventually convicted of first-degree murder with four other men in October 2019 and sentenced to life in prison without the possibility of parole.