The Broomfield Police Department confirmed Tuesday that it has opened a criminal investigation into domestic violence allegations made against University of Colorado assistant coach Joe Tumpkin.

CU's athletic director also said Tuesday that Tumpkin has been suspended with pay indefinitely pending completion of the criminal investigation.

Broomfield police spokeswoman Joleen Reefe said the department has an open and active investigation against Tumpkin, though no arrest has been made at this time.

The allegations against Tumpkin were made by his ex-girlfriend in a temporary restraining order last month. She claimed Tumpkin physically assaulted her multiple times over the course of their three-year relationship.

Tumpkin's ex-girlfriend filed the complaint with Boulder County courts on Dec. 20 and a judge granted a temporary restraining order, according to the court filing. A hearing to determine whether it will be made a permanent restraining order is scheduled for Jan. 31.

The temporary protection order prohibits Tumpkin from going within 100 yards of the woman or her home. Because the complaint contains allegations of domestic abuse, Tumpkin is also prohibited from possessing firearms while the order is in place.


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Tumpkin, 45, has been the safeties coach at CU for the past two years.

He assumed defensive play-calling duties in the Buffs' bowl game last month after defensive coordinator Jim Leavitt left for a job at Oregon, and has been considered a candidate to replace Leavitt.

But in a statement Tuesday, CU Athletic Director Rick George said Tumpkin has been suspended.

"I am very concerned by the allegations, which don't reflect the high conduct standards I have for our student-athletes and staff," George said in the statement. "Joe Tumpkin has been suspended indefinitely from his coaching duties, pending the outcome of the court process."

According to the complaint, the woman — who is from Tumpkin's home state of Michigan — said the first assault occurred on Feb. 27, 2015, at a hotel in Broomfield, when she alleges he threw her against a wall and then threw her on the bed when she tried to leave, according to the complaint..

"The assaults increased in duration and severity" when she temporarily moved in with Tumpkin in Broomfield for the summer of 2015, according to the complaint. The woman said Tumpkin would sometimes also choke and bite her, and would threaten to kill men she expressed interest in, according to the complaint.

The most recent incident came Nov. 18, on the eve of the CU Buffs' game against Washington State. The woman said she agreed to come out for the game, but that Tumpkin arrived intoxicated to a house in Broomfield and jabbed his finger in her face and then pinned her against a wall and choked her, according to the complaint.

The night after the game, the woman claims Tumpkin threw her around and choked her before dragging her by her hair to the door and telling her to "get the (expletive) out," according to the complaint.

On Friday, CU said it was looking into the allegations against Tumpkin.

Mitchell Byars: 303-473-1329, byarsm@dailycamera.com or twitter.com/mitchellbyars