If someone else commits theft, I am an insider, but I didn't tell the police what legal responsibility I should bear.

1 You saw someone stealing on the side of the road, but you didn't call the police out of fear, and then you found out, and you don't have to bear legal responsibility.

You made a false statement when the police investigated your theft, and you should bear legal responsibility.

You know this man is a thief, and you have to bear legal responsibility for hiding him and financing him to escape.