WASHINGTON — The suspect believed to have stabbed a 24-year-old man on board a Metro train on the Fourth of July can be seen in a video released Friday.

The video shown in court Friday shows a man running through the NoMa-Gallaudet University Metro station after Kevin Sutherland was stabbed several times, NBC 4 Washington reports.

The man on the video is wearing a red bandanna and carrying a Nike backpack as he races through the station. He briefly stops at one point in the video.

Prosecutors say that man is 18-year-old Jasper Spires, who is charged with murdering Sutherland.

The man on the video is believed to have stopped at a trash can to dump the bloody knife used to kill Sutherland.

The knife was found in the trashcan with Sutherland’s DNA.

Also in the video, the man can be seen dropping an item. Prosecutors say it was a pair of camouflage pants that fell from Spires’ backpack.

The murder weapon was found with the victim’s blood on it, but investigators have not found Spires’ DNA or fingerprints on the weapon.

A judge ruled Friday that Spires will undergo a mental evaluation.

During the hearing, Spires smiled, laughed and interrupted court — prompting the judge to order the test. The results will be revealed on Aug. 28, at Spires’ next hearing.