Nicki Minaj’s husband Kenneth Petty is registered as a sex offender.According to sources, Petty is now listed in the California database of sexual offenders. This is all stemmed from 1995 when he was convicted of first-degree attempted rape.ENews! reports:"According to court documents filed on Feb. 25 and obtained by E! News, Petty was indicted by a grand jury for failure to register as a sex offender upon his relocation to Los Angeles from New York. He plead not guilty."The rapper’s husband is out on bail and his trial date is on April 28. If Kenneth is found guilty he could face up to 10- years in prison.