The Volokh Conspiracy - Bugliosi on the Kennedy Assasination:

This tape shows a discussion in New York City with Vincent Bugliosi who published a book in May 2007, to put to rest all the conspiracy theories on the assassination of President Kennedy over the past 44 years.

However as reported in Telegraph.co.uk dated 02.07.2007 Lee Harvey Oswald could not have acted alone according to a new study by Italian weapons experts of the type of rifle Oswald used in the shootings. In fresh tests of the Mannlicher-Carcano bolt-action weapon supervised by the Italian army, it was found impossible for even an accomplished marksman to fire the shots quickly enough, and this will fuel continuing theories that Oswald was part of a larger conspiracy to murde the 35th American president on 22 November 1963.

The official Warren Commision inquiry concluded that Oswald was a lone gunman who fired three shots with a Carcano M91/38 bolt-action reifle in 8.3 seconds.

But when the Italian team test-fired the identical model of the gun, they were unable to load and fire three shots in less than 19 seconds - suggesting that a second gunman must have been present in Dealey Plaza, central Dallas on that day.

Taken from : "Oswald had no time to fire all Kennedy bullets "
By Tim Shipman in Washington for the Sunday Telegraph 02/07/2007