There are governmental agencies that do that.
American Justice - 1992 Mob Hitmen was released on: USA: 21 August 1996
American Justice - 1992 Vegas and the Mob was released on: USA: 10 April 1996
Mob justice can lead to violence, vigilantism, and the circumvention of legal processes. It can result in innocent individuals being wrongly accused or harmed, and can escalate tensions within communities. Additionally, mob justice undermines the rule of law and can perpetuate a cycle of violence.
American Justice - 1992 Defending the Mob 3-6 was released on: USA: 15 March 1995
The mob continued to shout at the speaker until he left the podium.
justice M.P.Thakkar
American Justice Target - Mafia - 1993 The Kennedys and the Mob 1-3 was released on: USA: 1993
President Lyndon Johnson asked Chief Justice Earls Warren to investigate the assassination of President Kennedy.
The lynch mob does not attack R.W. and Melvin Simms because they believe that justice will be served through the legal system instead of resorting to vigilante justice. Additionally, the mob may feel that they have a stronger case against the other suspects involved in the incident.
That would be the law enforcement officer. They report, investigate, apprehend, and then present the defendant to court which begins the 'justice' process.
Most of the people in the mob want to see justice served by identifying the real Wilks brothers and punishing those who have wronged them. They are motivated by a sense of fairness and a desire to uphold the law.
investigate the assassination of president kennedy