Lennie tells Bill Parker that his daughter Cathy was 24 when she was murdered. However, according to her gravestone in Monster (1998), Cathy was born on June 23, 1971 and murdered on March 4, 1998, meaning that she was 26 at the time of her death.
Lennie tells Ed that Cathy has been dead for six years. However, she only died five years earlier.
Danny Jones, the man who murdered Briscoe's daughter Cathy, never spent a day in jail. Briscoe provided incorrect information when he is talking to a man who lost his son to drugs.