The Boston Marathon bombers consisted of an older brother and a younger brother, the younger of whom was 20 years old at the time of the attack. The Beltway Sniper pair also had an older perpetrator (father figure) and a younger one, the younger of whom was 17 at the time of the attack. Both younger perpetrators from both groups attempted to use a similar defense in court following their arrest for their terrorist acts. Malvo, the young Beltway sniper, attempted to say he was largely influenced by Muhammad, who was the older author and similar to a father figure. Even Dzhokhar Tsarnaev, the youngest of the Boston Marathon Bombers, attempted to say he was largely influenced by his older brother Tamerlan Tsarnaev. The defenses did not work for the offenders as Malvo was sentenced to life in prison without the possibility of parole and Dzhokhar Tsarnaev was sentenced to