Isaac Leal, 17, hopped on the back of a classmate's car while playing 'senior assassins' - a popular high school tradition ...

The parents of a 17-year-old now left in critical condition after playing a popular game are speaking out in warning.

Texas high school sports star Isaac Leal is on life support following a serious injury he suffered while playing a water gun ...

Isaac Leal, 17, fell off the back of a Jeep Wrangler on April 21 in the 6500 block of Devine Drive in Arlington.

A North Texas teenager is in critical condition after falling off a vehicle while playing a controversial "senior assassin" ...

A North Texas teen was critically injured after falling off a Jeep during a Senior Assassin game. Arlington police ...

A 17-year-old Texas high school senior is hospitalized with critical injuries after he fell from the back of a Jeep while he ...

A Texas teen, Isaac Leal, was participating in the game when he jumped on a girl's Jeep and rode on the back while she continued driving it, his mother, Raquel Vazquez told local NBC affiliate ...