A Nevada teen going 100 mph in a 45 mph zone caused an "intentional" 12-car crash with his Infiniti after slamming into vehicles stopped at a red light, cops say. His pregnant girlfriend and another driver were killed.

"He was not impaired by alcohol or drugs," Clark County District Attorney Steve Wolfson told reporters on Friday about 19-year-old suspect Jose Gutierrez, according to local NBC affiliate KSNV .

"Therefore, we believe based on all of the evidence to date, including a very descriptive video, that his actions were intentional, which gives rise to a charge of murder," Wolfson said. "All indications are that there was no braking before the collision, and that by itself gives rise to a degree of intentional conduct."

Gutierrez appeared in court Friday and had his bail hearing

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