What Joni Johnston has said about Strangulation

1 quote · 1 episode · Sep 26, 2026

Joni Johnston, Clinical and forensic psychologist who studied the case, has been quoted on Strangulation once in 1 episode of 20/20, most recently on September 26, 2026. Each quote below is verbatim and links to the moment it was said.

In their words

  • Johnston argued that strangulation is an uncommon murder method that often holds specific meaning for the perpetrator.

    “Strangulation is not a common way of murdering somebody. It isn't a gun. It isn't a knife. So it often has some specific meaning to the perpetrator”

    20/20: The Salem Strangler (Sep 26, 2026) · Listen from 11:31

Episodes

  • The Salem Strangler

    20/20 · Sep 26, 2026 · 1 h 27 min

    20/20 recounts the 1986 strangling of Salem State student Claire Gravel and how a similar 2007 attack and DNA led to John Carey's conviction.

Joni Johnston on other topics