Two Texas Teens Were 'Smiling' and Hanging Out in a Restaurant. Then, One Killed the Other, Officials Say.

A teenager in Texas who was arrested in connection with the fatal stabbing of another teen in April has now been indicted for murder, according to authorities.

On April 4, Jesus San Miguel, 18, and Joshua Eugene Kinnaman, 18, went to a restaurant together across the street from John Jay High School in San Antonio, where Kinnaman was a student, according to an arrest affidavit obtained by KSAT.

Surveillance video allegedly shows the two sat in a booth and ordered food. At some point, San Miguel says something inaudible to Kinnaman, who replies, “I’ll kick your a** right now,” the affidavit states.

San Miguel replied, “Let’s go,” and the two got up and left the restaurant, “smiling while doing so,” officials said.

Authorities obtained footage from an outdoor camera, which allegedly shows Kinnaman “aggressively shove” San Miguel from behind, causing him to drop his drink, according to the affidavit.

San Miguel then takes off his backpack and pulls out what appeared to be a lock-blade knife as Kinnaman approaches him, swinging at San Miguel with his fists, officials said.

After a few swings, San Miguel lunges at Kinnaman, stabbing him in the torso, police said, adding Kinnaman then returns to the restaurant for help while San Miguel flees.

Kinnaman was rushed to a local hospital, where he died from his injuries.

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On April 6, San Miguel was arrested and recently indicted on a murder charge, authorities said.

Police have not said if San Miguel also attended John Jay High School.

If convicted, the suspect could face up to life in prison.