Cop Lured Into Ambush At Road Blockade, Attacked With Chemical Bomb

Arvada Police Officer T. Grahn lost consciousness after the suspects threw a chemical bomb at him.

Arvada, CO – An Arvada police officer and a citizen were injured by a homemade chlorine bomb while they were trying to clear a barricade off of a roadway on Saturday night.

The attack occurred near the intersection of Beech Street and West 68th Avenue just after midnight, Arvada Police Chief Link Strate said in a video release.

Arvada Police Officer T. Grahn received a report about the barricade, and arrived to find that street signs had been pulled out of the ground and piled up in the roadway. The suspects also strung plastic wrap across the street and secured it to the signs, The Denver Post reported.

As Officer Grahn approached the barricade, he spotted a plastic bottle lying near the signs.

“Hey, asshole,” a man suddenly yelled, as someone ran away from the scene.

Officer Grahn drew his weapon and began looking around him with his flashlight, just as the male citizen who reported the barricade came over to assist him in clearing the roadway.

As the citizen and the officer were dismantling the obstruction, someone threw a plastic bottle at them.

When it hit the ground, the bottle released a cloud of white gas that Officer Grahn later said smelled of chlorine.

The effects of the “chemical bomb” rendered the officer unconscious, Chief Strate said.

Officer Grahn was rushed to a local hospital, where he was diagnosed with chlorine gas exposure, The Denver Post reported.

The citizen was treated for minor injuries at the scene.

Police located three more chemical bombs during the course of the investigation.

The Arvada Fire Department’s hazmat crew determined that at least one of the bombs was composed of powdered chlorine and brake fluid.

Investigators also located a Walmart receipt in a nearby field, which listed the same items needed to construct the devices.

They used surveillance footage from the store to identify five male suspects, all of whom were arrested within 24 hours of the attack.

Braiden Ulmer, 19, Gavin Dawson, 19, Isaac Koch, 19, Maxwell McCann, 18, and an unnamed juvenile have been charged with suspicion of conspiracy to commit possession, use or removal of explosives or incendiary devices, two counts of use or removal of explosives or incendiary devices, criminal attempt of second-degree assault, and first-degree assault.

They are scheduled to appear in court on Friday.

Officer Grahn, a four-year veteran-of-the-force, has been released from the hospital and is recovering at home, Chief Strate said.

“I am grateful that our officer and the community member were not more seriously injured, although we do not yet know the long-term effects of this attack on them,” he added.

“We know that this attack on one of our officers is not representative of our community,” the chief noted in the video release. “We appreciate the support of our community, and we take their safety and our officers’ safety very seriously.”

Comments (81)
No. 1-25

20 years incarceration is what they deserve..more likely they will get 5 years probation, lollipops and invitations to be paid speakers at public anarchy events.


It's Colorado. Slap on the hand punishment for these "children", more than likely.


What the hell would make these kids even think of doing this? They need to find out what or who was behind them deciding to do this. No mercy on any of these kids! They should all get maximum sentences.


Maybe they should be used as human hazmat first responders. Yank them out of jail and every time a suspicious package, bottle, or device is located, make them check it out first. If they survive, credit them with a week off their time. I would think their perspective on what police and fire personnel go through might change their minds. Of course this will not happen. The courts would think this "cruel and unusual."


I say if they like playing with chemical bombs, put them inside an army gas chamber that they use for basic training troops. They use these gas chambers for training the troops and shows them how effective their gas masks are. You walk in wearing your gas masks, and after a few minutes, the drill instructor tells you to take off your mask and say your name, rank, and your SSN. as soon as you get a whiff of the gas in there, you cant breathe, cant see, and some of them puke. If the drill instructor is in a good mood, he will let you go outside and get some fresh air within a few seconds. If not, they might make you stay in there til you think you are dying......throw these 4 low life punks in the chamber and see how they like it