Pennsylvania law: insanity, guilty but mentally ill, competency, and diminished capacity
Key takeaway: Pennsylvania law recognizes several mental illness defense options against felony criminal charges. The Court distinguishes between determining competency to stand trial and defense options of legal insanity, guilty but mentally ill, and diminished capacity. In Pennsylvania, there are a few ways that mental health can factor into criminal cases. The four most important legal doctrines to understand are: Incompetent to Proceed or Stand Trial Not Guilty by Reason of Legal Insanity Guilty But Mentally Ill Diminished Capacity Understanding the nuances of these doctrines can help you [...]
Pennsylvania legal insanity defense
Key takeaway: In Pennsylvania, there is a legal insanity defense option, but the defendant has to prove it by a preponderance of the evidence. How Pennsylvania courts consider mental health in criminal cases When a person charged with murder or other felonies has a severe mental illness, several different legal doctrines may become relevant. These doctrines are often confused with one another, but they ask different questions and can produce dramatically different results. Pennsylvania law may require a court to consider whether the defendant: Is mentally competent [...]
John F. McCaul Selected to The National Trial Lawyers Top 100
Philadelphia criminal defense attorney John F. McCaul recognized among the top trial lawyers May 5, 2026 PHILADELPHIA, PA — The Law Office of John F. McCaul is proud to announce that attorney John F. McCaul has been selected for inclusion in The National Trial Lawyers Top 100, an invitation-only professional organization recognizing qualified civil plaintiff and criminal defense trial lawyers from each state or region. The National Trial Lawyers states that its Top 100 designation is extended to attorneys who meet the stringent eligibility requirements and significant qualifications [...]
