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Bombs Rock Preston At FBI Training

A series of "Hollywood Style" gasoline bombs are detonated as part of the "Wall of Fire" as the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit conduct a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 2 | The New Haven Division of the FBI and Connecticut State Police Emergency Services Unit conduct a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

The New Haven Division of the FBI and Connecticut State Police Emergency Services Unit conduct a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 3 | FBI Special Agent and Bomb Technician Tim Petrousky of the Baltimore District of the FBI demonstrates a traditional style wick used in the pyrotechnic industry as the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit conduct a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

FBI Special Agent and Bomb Technician Tim Petrousky of the Baltimore District of the FBI demonstrates a traditional style wick used in the pyrotechnic industry as the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit conduct a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 4 | A member of the Connecticut State Police Emergency Services Unit sets off several chemical reactions during an explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

A member of the Connecticut State Police Emergency Services Unit sets off several chemical reactions during an explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 5 | A mailbox is blow up by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

A mailbox is blow up by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 6 | A chicken is blow up by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

A chicken is blow up by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 7 | A fireball expands from a detonation conducted by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

A fireball expands from a detonation conducted by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 8 | A cone of smoke and debris expands from an improvised explosive device made from Tannerite as the bomb is detonated during a live explosion demonstration as part of a Post-Blast Bomb School conducted by the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

A cone of smoke and debris expands from an improvised explosive device made from Tannerite as the bomb is detonated during a live explosion demonstration as part of a Post-Blast Bomb School conducted by the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 9 | A fireball expands from a detonation conducted by members of the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit during a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 11 | A member of the Connecticut State Police Emergency Services Unit carries a fire extinguisher to put out spot fires at the conclusion of a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

A member of the Connecticut State Police Emergency Services Unit carries a fire extinguisher to put out spot fires at the conclusion of a live explosion demonstration as part of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 12 | Poquetanuck Fire Department extinguish small fires at the conclusion of a live explosion demonstration as part of a Post-Blast Bomb School conducted by New Haven Division of the FBI and Connecticut State Police Emergency Services Unit on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Poquetanuck Fire Department extinguish small fires at the conclusion of a live explosion demonstration as part of a Post-Blast Bomb School conducted by New Haven Division of the FBI and Connecticut State Police Emergency Services Unit on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Image No. 13 | Participants of a Post-Blast Bomb School conducted by the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit head out to process the bomb scenes after a live explosion demonstration as part of the school on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

Participants of a Post-Blast Bomb School conducted by the New Haven Division of the FBI and Connecticut State Police Emergency Services Unit head out to process the bomb scenes after a live explosion demonstration as part of the school on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013.

The New Haven Division of the FBI and Connecticut State Police Emergency Services Unit conduct a live explosion demonstration during the third day of a Post-Blast Bomb School on the grounds of the former Norwich State Hospital property in Preston Wednesday May 22, 2013. The Five day course was held for members of the law enforcement and emergency services communities.