If a person is required by law to disclose all the information on oneself, the person is under obligation to do so truthfully and avoid any lies. First, the fact that the applicant cheats that he has never been arrested before puts doubts on his integrity. In this case, the person does not provide truthful information about oneself. The lack of integrity is critical for anyone working in the security sector which requires one to maintain high standards of morals.
In addition, the fact that the person had allegedly assaulted his wife gives one a clear evidence of possible challenges ...