| Murders of Brenda Wright Lafferty and Erica Lafferty | |
|---|---|
| Location | American Fork, Utah, United States of America |
| Date | July 24, 1984 |
| Weapon | Knife |
| Deaths | 2 (Brenda Wright Lafferty and Erica Lafferty) |
| Perpetrators | Ron Lafferty Dan Lafferty |
Utah v. Lafferty was a 1984 murder case in the U.S. state of Utah. It gained substantial publicity due to the accused persons' statement that the murders were the result of a divine revelation.