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en.wikipedia.org]
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jfkassassination.net]
Speculation.--There are witnesses who alleged that the shots came from the overpass.
Commission finding.-- The Commission does not have knowledge of any witnesses who saw shots fired from the overpass. Statements or depositions from the 2 policemen and 13 railroad employees who were on the overpass all affirm that no shots were fired from the overpass. Most of these witnesses who discussed the source of the shots stated that they came from the direction of Elm and Houston Streets.
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www.archives.gov]