48 Hours Post Mortem | The Rx Defense
Feb 10, 2026
Tracy Smith, CBS News correspondent who covers high-profile crime and justice stories, joins to examine the Connor Hilton case. She outlines the controversial Accutane defense and the science cited for it. Tracy recounts unsettling behavioral red flags, interview demeanor, the survivors’ perspectives, and the legal aftermath in concise, gripping detail.
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Medication As Central Defense Claim
- The defense argued isotretinoin (Accutane) can alter brain function and cause homicidal ideation in rare cases.
- Dr. Doug Bremner presented brain scans showing reduced activity in emotion-regulating regions while on the drug.
Preexisting Warning Signs
- Friends and family reported no clear behavioral red flags before the shooting despite the medication defense.
- Social posts and a disturbing conversation weeks earlier suggested a preexisting fascination with murder.
Scientific Dispute On Causation
- The prosecution countered with recent studies finding no increased psychiatric risk from isotretinoin.
- Prosecutors argued the act was not caused by medication but by Connor's character and choices.