Which of the following actions is prohibited for law enforcement officers regarding personal gain?

Law enforcement officers are expected to maintain a high standard of integrity and professionalism, avoiding any actions that could compromise their impartiality or lead to conflicts of interest. Accepting free materials or services can create an appearance of favoritism or indebtedness, potentially influencing an officer's decisions and actions in their role as a law enforcer. This practice undermines public trust and can lead to allegations of corruption or bias, which is why it is prohibited.

In contrast, actions like attending community events or engaging in public outreach are essential for building relationships with the community and enhancing communication. These activities serve the public interest and support community policing strategies. While accepting free meals might also seem innocuous, it can still raise ethical concerns depending on the context, but it is not as broadly prohibited as receiving free materials or services that could have a clear and direct impact on an officer's duties.