Crime at 10XX WALNUT ST on 07/31/2026 1:17 AM
Type: Other
Date: 07/31/2026 1:17 AM
Description: TRESP1B-Trespassing I/P. Agency: BPD. Disposition: CB-Clear. Incident #: BPD260731-057721. Disclaimer: This information is from the Boulder Police calls for service log. Information is subject to change.
Address: 10XX WALNUT ST, Boulder, CO
Google Streetview Disclaimer: This is a Google Maps Street View of the approximate area where the crime occurred. It is not necessarily the exact address view of the crime.
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Area Missing Persons
Name
Mary NiemiMissing Age
40Est. Current Age
65Last Seen
Arvada, CO on 04/12/2001Physical Description
Race: White Ethnicity: Caucasian Gender: Female Hair: Brown Eyes: Brown Height: 5'6" Weight: 120 lbsCase Number
MP25950Area Cold Cases
Name
Percy SierraAge
52Cause of Death
HomicideInfo
On the morning of thursday, march 13, 2008, family members went over to the residence of percy sierra after several unsuccessful attempts were made to contact her by phone. Upon arrival at percy's northwest denver residence, which is located near the intersection of west 39th avenue and julian street, family members found percy sierra on the floor of her home. Percy sierra had been stabbed to death. The investigation by the denver police department led to the identification of audley "Earl anglin as a suspect. Currently, a warrant for audley anglin's arrest has been issued for the murder of percy wilma sierra.Agency
Denver Police Department