Insanity Cases

Colorado Insanity and Mental Conditions Defenses, Developmental Disabilities and Incompetency to Stand Trial

Mr. Heher has litigated and advised trial lawyers in numerous cases involving the affirmative defense of insanity, other mental condition defenses, developmental disabilities and legal incompetency to stand trial. These cases often involve highly complex legal and constitutional issues. Mr. Heher has litigated on appeal and presented to other lawyers on these issues. In addition, Mr. Heher has litigated related issues at the district court level in cases in which his clients have faced the ultimate punishment, the death penalty. If you or a loved one have been convicted and sentenced for an offense following trial that involved insanity, a mental condition defense, a developmental disability or incompetency to stand trial, Mr. Heher is an expert in all facets of these areas. Moreover, Mr. Heher is compassionate in his representation of persons laboring under mental illness or mental disability. He will provide the expertise, passion and compassion necessary to navigate these particularly complex areas of criminal law.

Learn more about Andrew Heher Law LLC and Mr. Heher’s unsurpassed experience and skills in appealing felony cases involving insanity, mental condition or competency issues by calling 720.660.6574 or contacting him at


Representative appellate cases in these areas include:

People v. Presson, 315 P.3d 198 (Colo. App. 2013) (Legal issues dealing with incompetency of the accused to stand trial; conviction reversed)

People v. Karpierz, 165 P.3d 753 (Colo. App. 2006) (Legal issues dealing with incompetency of the accused at the time of the plea.)

People v. Vanrees, 125 P.3d 403 (Colo. 2005) (Legal issues involved with mental disability and mental slowness of the accused.)

People v. Tally, 7 P.3d 172 (Colo. App. 1999) (Legal issues dealing with the affirmative defense of insanity and involuntary medication.)

People v. Galimanis, 944 P.2d 626 (Colo. App. 1997) (Legal issues dealing with the affirmative defense of insanity.)