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Good morning.

Here’s what you need to know:

Charles Manson is dead.

• He was one of the most notorious killers of the 20th century, emerging in the late 1960s as the wild-eyed leader of a murderous band of young drifters. Mr. Manson died on Sunday at a hospital in California. At 83, he had spent most of his life behind bars.

Here’s what became of the members of the so-called Manson family, known in particular for the seven murders in 1969 that included the actress Sharon Tate.

• In a video, we examined Mr. Manson’s peculiar influence on pop culture.