That event greatly changed his life.

It will take time to solve this problem.

He is working hard to figure out the mystery.

He started an investigation to know the fact of the incident.

The police performed an autopsy to identify the cause of the corpse.

The police conducted a forensic autopsy to uncover the truth of the incident.

This festival is held every year.

He went to the police station and reported the theft.

The Tiananmen Square incident is an important event in Chinese history.

The Marco Polo Bridge Incident was the trigger for the Sino-Japanese War.