Complex sentence: After the shooting, the psychologist said to have evaluated and cleared Mateen for his firearms licence in 2007 by G4S records denied ever meeting him or living in Florida at the time, and said she had stopped working for the company in 2005.
Split into simpler sentences: After the shooting, the psychologist who was said to have evaluated and cleared Mateen for his firearms licence in 2007, according to G4S records, denied ever meeting him. She said she had stopped working for the company in 2005.