I remembered now, with that 1 point missing, a story:

A murder in the house of a lawyer, his beautiful wife, a blond angel, is found dead by her husband, a famous lawyer, in full ascent, reason for which someone else comes to investigate.

The inspector is sent here and there by a few people.

The ladies from the city's elite considered her an angel and him a murderer and not only: he had a mistress! With such an angel as wife !

Men - each claimed that the "angel" was the mistress of two others.

One of the ladies - the insignificant one who had received him, the inspector, on the first night of the investigation - appeared to him, the case classified, when he was preparing to leave, in a completely different way. That's how he found out she was a doctor of sociology. The evening of the revelation was beginning ... and of confession .

The men who had sent him from one to another were friends. The lawyer, suspect no. 1, did not have to know anything and did not know. Another one said they had a plan. And each one had an alibi and a role, something precise to do:

... read it.