In the end of this video, Dr. Park Dietz says:

Because every time we have intense saturation coverage of a mass murder, we expect to see one or two more within a week.

Is this true?

  • 1
    Interesting. If I'd had to guess, I'd say it's so called "Baader-Meinhof Effect". After significant shooting media focuses more attention on anything shooting related. Thus reporting even less significant ones, which wouldn't make news otherwise.
    – vartec
    Jun 23, 2015 at 8:44
  • The formulation we expect more is ambiguous.
    – gerrit
    Jun 23, 2015 at 9:54
  • @nomenagentis It sounded like he meant "we" as in "the people who study these things", based on context. There's a transcript here
    – ike
    Jun 23, 2015 at 12:30
  • 3
    Unless he's got a very different definition of "mass murder" I'm afraid he is talking garbage. Even in the US there are only about 3 mass killings a year, and they certainly all don't happen in the same week. If nothing else we'll know in about a day if there was another killing a week the Charleston shooting. Jun 23, 2015 at 13:27
  • 1
    @DJClayworth Find sources and write an answer, then.
    – ike
    Jun 23, 2015 at 17:13


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