Through a court certified translator, Benjamin Guevara learned he faces two counts of felony charges for first-degree murder and use of a deadly weapon.
First-degree murder charges carry a life sentence while the use of a deadly weapon is up to 50 years with a five-year mandatory sentence.
Prosecutor said a witness told police Guevara pulled victim's body out of a car and relayed the vehicle's license plate number to investigators.
Police located Guevara based on registration information, according to investigators.
He then told police where he threw a .40 caliber gun and the ammunition clip, prosecutors say. Police say the defendant had blood stains on his pants and in the car which also had bullet holes inside, prosecutors say.
He's immigration status is unknown with ICE, according to prosecutors. The 21-year-old has lived in Omaha for ten years and shares joint custody of a child, prosecutors say.
Guevara has a misdemeanor for being in possession of an unregistered firearm, prosecutors say.