Forensic psychologist: Cohee showed no signs of psychosis, knew what he was doing

A forensic psychologist delivered her testimony in the Cohee murder case Wednesday.
Published: Jan. 25, 2023 at 5:43 PM MST
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GRAND JUNCTION, Colo. (KKCO) - Mesa County prosecutors hammered home their case against 21-year-old Brian Cohee II, who is accused of murdering and dismembering a homeless man in 2021.

Cohee previous plead not guilty by reason of insanity, but must prove his insanity in court. Forensic Psychologist Dr. Laura Serrano-Amerigo shared her testimony for the first time Wednesday after a week and a half of testimony.

Dr. Serrano-Amerigo’s testimony will likely prove critical for the defense, as Cohee’s insanity plea hinges on the jury deciding if Cohee knew killing Warren Barnes was wrong or if mental illness drove him to commit the murder.

During her testimony, Dr. Serrano-Amerigo said that not only did Cohee know where he was, what he was doing, and why he was being interviewed, but also showed no signs of psychosis at any point before, during, or after the crime. She also stated that Cohee had no issues answering questions, and showed no signs of distress.

Prosecutors say Cohee already confessed to killing Barnes, but despite police finding some remains the rest of Barnes’ body has still not been recovered.