Watch as two young men wearing masks and patterned pajama pants, shoot out window after window at Westland John Glenn High School.
"I think it's horrible what are the kids doing in the dark without parental guidance - they should be home," said Tina Borgerding, the school's swim coach.
Police say the suspects who did this, used a BB gun or air-powered pellet gun and a sling shot. The slingshot rock is still stuck in the glass.
It shattered but luckily it is double paned safety glass and it didn't shatter all the way through.
"It's pretty violent to me, I wouldn't do it," said student Carlos Tyus.
"My first day coming up and seeing it, I was thinking 'Oh wow this is crazy,'" said student Carlito Tyrus.
Students and faculty returning to school Monday discovered the damage.
Police say on Jan. 2, the two young white men around 15 to 20 years old, worked their way around the building breaking out nearly 20 windows.
The vandals didn't seem to be in a hurry, and looking at the video which captured the incident, seem to be enjoying themselves.
"The school does have an alarm, but it was a delayed response that gave these subjects plenty of time before anyone arrived," said Sgt. Robert Wilkie of Westland police.
As FOX 2 toured the school, we saw many of windows which are taped up right now until they can be repaired. We're told the damage is estimated at around $10,000.
Police are relying on the public for help and want viewers to focus on what the vandals are wearing.
"We have a flannel jacket and interesting printed pants that would be distinguishable if someone would see them before might be able to identify these people," Wilkie said.
Was it a disgruntled student or just a reckless teen with no regard for the law. If you have any information about who these pajama wearing suspects are, you are asked to call Westland police right away.