Is there mathematical proof of a grassy knoll shooter?

The math of tragedy

Richard Charnin, a software consultant, says yes. He made the case on his blog last week. His argument is reprinted here:

Charnin writes:

Of 121 eyewitnesses, 51 (42%) said shots came from the Grassy Knoll area, 32 from the Texas School Book Depository (TSBD), and 38 had no opinion.

[Editor's note: John McAdams's survey of JFK eyewitness…