BOULDER, Colo. — The Boulder Police Department (BPD) is asking for the public's help to locate an attempted murder suspect who police said left a woman with injuries severe enough to send her to the hospital. 

On Feb. 5, police responded to a report of a woman with significant injuries located in the 2600 block of Juniper Avenue. She was taken to Boulder Community Health, BPD said.  

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Police said their investigation led to identifying Jack Daniel Ulrey, 36, as the suspect and issued a warrant for his arrest. 

The charges against Ulrey include: 

  • Attempted murder in the second degree
  • Assault in the second degree
  • Domestic violence

Ulrey was last seen in downtown Denver on the same day as the assault, police said. He's described as 5-feet, 5-inches, 240 pounds with brown hair and brown eyes. 

The car he's using is is a white 2007 Chevy Malibu with Colorado license plate 009RBH. 

Anyone who may have information about this case should call Detective Carey Lutz at 303-441-3333. Those who have information, but wish to remain anonymous may contact the Northern Colorado Crime Stoppers at 1-800-222-TIPS (8477). 

Tips can also be submitted through the Crime Stoppers website at Those submitting tips through Crime Stoppers that lead to the arrest and filing of charges on a suspect(s) may be eligible for a cash reward of up to $1,000 from Crime Stoppers.

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