Officers were called at around 10:10 p.m. on Sept. 13 to the 4400 block of 23rd Parkway in Temple Hills to investigate a stabbing, where they found Armengo-Angeles' body.
According to the Prince George's County Police Department, first responders rushed Armengo-Angeles' to an area hospital, where he later died.
Police say that detectives have identified the person involved and are working with the state's attorney's office as the investigation continued.
Potential charges are pending.
Check Daily Voice for updates.
Want breaking news in the DMV as it happens, or want to contribute? Join the DMV All Incidents Facebook group.
Click here to follow Daily Voice Cloverly-Colesville-Fairland and receive free news updates.