The slogan used by the Technical Investigation Brigade for introspection is as follows: 1. Strict law enforcement and strict confidentiality; 2. Loyal, enterprising and meticulous professionalism; 3. Loyalty and selfless dedication to the Party. Be loyal to your duties, be strict with yourself, safeguard justice and ensure peace.

Enforce the law impartially, serve warmly, be brave and fearless, and stay away from violence.

People first, law first, brave and good at fighting, pioneering and innovative.

Be loyal to the people, enforce the law impartially, be brave and be good at fighting, and make selfless contributions.

Loyalty, justice, courage and dedication.

Loyalty, dedication, courage, dedication.

Loyal criminal investigation guards.