Jerwaine Gorman, 38, was sitting in the passenger seat of his Mercedes sedan Wednesday when he was approached by a gunman who fired a single fatal shot and fled.
Andrew Hardy said he was stabbed during a fight at the corner of Archer Avenue and Sutphin Boulevard in Jamaica around 9:30 Tuesday.
Miguel Mejia-Ramos was arrested Monday in Texas after authorities tracked his cellphone.
A man suspected of killing his wife and their two young daughters in New York City has waived extradition from Texas.
Neighbors and a passing motorist are being hailed as heroes after helping several people escape a raging fire Sunday in Queens.