Overview

• Luis Pallchisaca was taken into custody Wednesday in Queens and charged with attempted murder and assault, according to the NYPD.
• The stabbing occurred around 11:30 p.m. Sunday aboard a southbound No. 7 train, police said.
• Investigators say the assailant approached from behind and stabbed the victim multiple times in the back with an unknown sharp object.
• The victim was transported to NewYork-Presbyterian/Queens and is hospitalized in critical condition, police said.
• Police described the attack as unprovoked, and the suspect allegedly fled the scene before his arrest.