Explosive Evidence at WTC Cited by Former CDI Employee http://coto2.wordpress.com/2010/06/27/explosive-evidence-at-wtc-cited-by-former-cdi-employee/

Having had the privilege of speaking with Tom Sullivan, an actual explosive-charge placement technician, we have some new insights to pass along as to how controlled demolition works, where it started, and the effect that 9/11 had on the demolition industry. Sullivan gained his experience as an employee of the leading firm in this field, Controlled Demolition, Inc. (CDI). Sullivan stresses though “I do not in anyway represent CDI and what I have to say is based on my own experience and training,”