VIDEO: A young man murdered his 15-year-old girlfriend for a sentimental argument and recorded the previous seconds

Javon Martin, 17, was arrested Sunday morning after being charged with the murder of Makaila Simon in the spring, texas. This after being revealed, through a video of the Instagram social network, which is waving a rifle in the face of his girlfriend.

The teenager was 15 years old three days after what happened and according to the Harris County Sheriff, Ed Gonzalez, Simon and Martin were in a room on the top floor of a house of the same building 23:00 Kimberly Glen Lane in the spring at 1:30 am when he was shot.

Court documents indicate that when police questioned Martin, he reported that he had picked up the rifle and pointed in the direction where Simon was when he pulled the trigger and fired the gun.

Martin explained to the researchers I thought I had checked that the rifle was not loaded to make sure I did not have an accident, before squeezing the trigger of the rifle, Reported Chron.com.

A short video of the mobile phone recorded a few moments before the shot, video that KPRC got, where she shows the teenager waving the rifle. In the video, you hear in the background a girl who thinks she's Simon, He laughs and tells Martin to stop pointing his gun at him.

The couple was alone in the roombut there were other people in the house at that time, according to the authorities. Although Simon He died at the time of the injury.

Simon's family said that she was a freshman from Lamar High School. Before his death, Simon celebrated his birthday in a cheese factory.

She and Martin were dating About a year. Some teenage family members said that the couple had quarreled about infidelity.

Martin appeared in court for a likely cause hearing on Sunday, at which time a judge fixed the bond at 10,000 USD.

The 17-year-old was formally charged in last july to travel in a car of another person without his permission, serious crime. The case against him is still pending and had to end go to trial in june.

According to his lawyer in this case, Martin did not know that the car in which he was traveling had been stolen. Lawyer Maverick Ray said that before the incident, his the customer had no problem with the law and he was a good student, he could probably go to college next year.