Authorities are releasing a few more details about their investigation of a Washington, Iowa, man’s death. Authorities have located two people considered “persons of interest” in the case.

Last week, police released photos of two men known as Memphis and Brandon. They say the two have been found and are cooperating. Police were looking for the two in connection with the death of Robert Thomas Blankenship of Washington, Iowa. Blankenship died November 23 after being found unconscious outside of the 4th Avenue Bar and Grill in Washington.

Police say the investigation is ongoing and that no further details are available.

Contributed by Nick Wilkens, KCII, Washington