Which of the following may lead to a declaration of unfitness to possess a firearm?

Providing false or misleading information required by law is a significant factor that can lead to a declaration of unfitness to possess a firearm. This act undermines the legal framework designed to ensure public safety and responsible gun ownership. Firearm possession laws are strict and require individuals to provide accurate and truthful information during the application process. Misrepresentation or deception can indicate a lack of respect for these laws and the potential risk that the individual may pose in terms of firearm safety and regulation compliance.

In contrast, while a history of violent behavior is concerning, not all instances of past behavior lead directly to a permanent unfitness declaration without considering the context and whether rehabilitation has occurred. An expired driver's license, while indicative of lapse in responsibility, does not directly influence firearm eligibility, and owning multiple firearms may be legal depending on regulations in specific jurisdictions. Only providing false or misleading information directly compromises the integrity of the applications process and poses a clear risk factor in assessing someone's suitability to own firearms.