The Collapse of WTC 7 looks like a controlled demolition.
The video images of the collapse of World Trade Center 7 look exactly like evidence of a controlled demolition.
If the destruction of World Trade Center 7 was a professional job, then logic would extrapolate that the greater events of the day might have been prepared by a team of domestic professionals.
The reason that the implication is logical is that controlled demolition is a science of careful execution that involves extensive planning and thoughtful consideration of the physics of an individual structure. There is probably not a team of experts in the world who could plan and set the explosives that probably destroyed World Trade Center 7 during one business day the way that somebody appears to have set them over a longer period of time.