commit murder ,

She hadn't gone to bed when the murder was committed.

The murder was committed upon a person less than 14 years of age.

Was he the same person who had committed the murder?

Go out and live my life as if I hadn't committed murder?

Everyone felt a personal interest in the event, as if the murder had been committed at his own door.

We know from the start how a murder was committed and who did it.

If she left before the murder was committed, you must have done it.

"Then he must have known a murder had been committed?"

"But can you be sure that he was the one who committed the murder?"

It would certainly look to anyone as though he had committed the murder.