One day after the killings at an adult educational center, some gathered to lay flowers and come to grips with the violence.

How campus attack unfolded and everything we know about the suspect so far - Sweden’s prime minister said the attack at the Risbergska School was the worst mass shooting in country’s history

Unverified and conflicting rumors circulated about the attacker’s possible motives, with speculation ranging from neo-Nazi ties to jihadist affiliations