Not just uncaught murderers, there are a lot of people who have killed without legally being considered murderers.
People who killed people in accidents such as driving accidents or hunting accidents
People who killed in self defense
Soldiers who killed enemy soldiers
Executioners
Police officers who have killed on duty
Doctors and nurses who have made mistakes that accidentally killed patients
Had a buddy that couldn’t take the pain anymore and he had enough drink and anxiety meds one night and he just never woke up.
He made sure to turn on his music extra loud so it’d bother his neighbors so his cat would be okay and would be rehomed.
He was a good guy.