Kevin Federline claims Britney Spears once held a knife while watching their sons sleep, warning of her mental state.

Kevin Federline, the former husband of Britney Spears, made public claims alleging that Spears once watched their sons sleep while holding a knife, and issued a warning about her mental state. The statements, reported by Bored Panda, mark a significant escalation in their long-standing public dispute. No independent verification has been provided, and Spears has not responded to the claims.