Ja Rule co-founded Fyre Festival, the fraudulent 2017 music festival in the Bahamas that promised luxury experiences but delivered disaster conditions. Thousands of ticket holders were stranded. Co-organiser Billy McFarland was convicted of fraud and sentenced to six years. Ja Rule was not charged but was widely criticised for promoting the event.

Ja Rule has been accused of and arrested for domestic violence/assault, including a 2004 arrest in Toronto after allegedly stabbing someone in a nightclub and a charge of misdemeanor possession of marijuana and driving without a license in New York. He has also been accused of abusing a woman between 2021 and 2023, with allegations including physical, sexual, and emotional abuse. Ja Rule has called out 50 Cent for alleged domestic violence and accused 50 Cent of using a docuseries for personal gain rather than concern for the victims.

Ja Rule defended Diddy against multiple sexual assault allegations, including a lawsuit accusing Diddy of rape and assault. Ja Rule later criticized 50 Cent for using a docuseries for personal gain rather than concern for the victims. Ja Rule has also associated with individuals accused of assault and harassment.