According to Martin Lardén, there are often several common denominators between young people who commit serious crimes.
The difficulty in seeing the consequences of one's actions is one of them, but just as crucial are experiences from childhood.
Those who run the greatest risk of falling into the wrong path are those who "grew up" in criminal environments, according to the psychologist.
- It is not all children who are at risk of becoming murderers, but those who have traumatic experiences, says Lardén.
Hear Martin Lardén about three risk factors for young criminals in the clip above.