A Toronto jury watched surveillance footage Tuesday of a teenager’s terrifying final moments as he was chased, shot at, cornered and stabbed to death, unable to escape two hooded strangers who came out of nowhere and attacked him.

Crown attorney Michael Coristine told jurors in his opening address last week that while 17-year-old Trevor Seraphine was a random target, the location of his murder, 44 Willowridge Rd., near Martin Grove Road and Eglinton Avenue West, was a very specific target.

On March 20, 2015, just before 2 a.m., Seraphine was on his way to visit a friend at 44 Willowridge when two men appeared at the side of the building.

Surveillance footage shows that one of the men pulled out a gun and fired several shots, sending Seraphine scurrying into the building’s front vestibule with bullets flying past him through the glass.

Seraphine tried to open the locked lobby door, but was trapped in the vestibule, as more bullets flew past shattering the glass, the camera capturing his terrified expression as the assailants followed him into the vestibule. The shooter fired again, and Seraphine miraculously escaped serious injury by jumping sideways.

But the second man, wielding a knife, pushed past the gunman and stabbed Seraphine once in the chest and once in the back. The killers fled, leaving the teenager to collapse in a nearby parking lot.

The prosecution is seeking to prove that his death was the final act in a series of escalating incidents between brothers Curtis and Corey Murray and a group of young men associated to the Willowridge Towers apartment complex. The Murray brothers have pleaded not guilty to first-degree murder.

At the time of the incidents, Curtis Murray was living at a condo building about 500 metres down the street for the Willowridge Towers. His girlfriend and brother stayed there occasionally.

According to the Crown, several days before the murder, Curtis Murray and his girlfriend were ambushed by a group of about 10 males in a parking lot, including some who arrived in a red Mazda hatchback. They stole a number of items from Murray’s car and threatened the young woman.

The Crown alleges the Murray brothers confronted the Mazda’s driver later that evening, then returned to the parking lot about an hour later, with one brother damaging the car's tires while the other stood nearby acting as lookout.

The next day, two Willowridge males broke into Curtis Murray’s apartment, spread garbage around and slashed the leather couches, according to prosecutors. They stole TVs and virtually all of his clothes, including about 20 pairs of all of his high-end Air Jordan and Nike shoes.

On the afternoon of March 20, males at 44 Willowridge put up flyers advertising something called the “Block Friday Sale,” in the apartment lobby. At 4:30, a male rolled a shopping cart full of Nike and Air Jordans into the lobby. Over the next few hours, the lobby was bustling with people rummaging through Curtis Murray’s shoes and clothing, Coristine told the jury.

The prosecution alleges by 1:15 a.m., the Murray brothers were on a mission to “retaliate and take a life at 44 Willowridge,” a murder caught on camera.

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The trial continues Friday in front of the jury.

Clarification - October 2, 2019: This article was edited from a previous version to make clear that according to the Crown, the Murray brothers allegedly returned to the parking lot where one brother damaged the car's tires while the other stood nearby acting as lookout.