He suffered from amnesia after the accident.

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

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

He got involved in a love affair.

This is the most difficult case I have ever faced.

His actions were considered criminal.

He is majoring in criminology at university.

He denied the fact of the crime.

He is known as an expert in criminology.

He is a renowned criminologist who has contributed to many crime analyses.