Former Doubling Down with the Derricos star Deon Derrico is accusing his ex-wife, Karen Derrico, of allowing a man who allegedly touched their daughter inappropriately to remain around their children.

According to new court documents obtained by TMZ , Deon claims he discovered disturbing allegations in his daughter's journal and confronted Karen about the man, only to have his concerns dismissed. The accusations are the latest development in an increasingly bitter custody battle between the former TLC stars.

Deon claims 12 of their 14 children currently live with him and says the journal entries raised "significant concern regarding the safety and welfare" of their minor children.

According to the filing, his daughter alleged that the unidentified man touched her inappropriately when she was younger.…