Bill is joined by assistant professor of structural engineering at Carleton University, Christian Viau, to talk about what the cause of the collapse was, the structural factors that may have played into the collapse, and if the garage was designed properly.

<p>Bill is joined by assistant professor of structural engineering at Carleton University, Christian Viau, to talk about what the cause of the collapse was, the structural factors that may have played into the collapse, and if the garage was designed properly.</p>