Berlin attack: Manhunt continues as suspect walks free

The manhunt for the perpetrator of the truck attack at a Berlin market, which left 12 people dead, continues as the previous suspect was released. German authorities released the detained suspect, citing there was no evidence linking him to the incident. ISIS took responsibility for the attack, claiming one of its militants carried out the attack. In addition to the 12 dead, 49 people were injured with a dozen who are still in critical condition.