Simplify the following text for a Grade 8 native English-speaking person.
Original: On August 5 , 1962 , LAPD police sergeant Jack Clemmons received a call at 4:25 a.m. from Dr. Ralph Greenson , Monroe 's psychiatrist , proclaiming that Monroe was found dead at her home in Brentwood , Los Angeles , California .
Simplified: On August 5 , 1962 , LAPD police sergeant Jack Clemmons received a call at 4:25 a.m. from Dr. Ralph Greenson , Monroe 's psychiatrist , saying that Monroe was found dead at her home in Brentwood , California .