In the affidavit, FBI Special Agent Gabriel Andrews said there is probable cause to believe that Keys broke into the Tribune Media computer system after he was fired in October 2010 by the Tribune-owned FOX affiliate KTXL-TV in Sacramento.
Firefighters and police officers using heavy machinery continued to move rubble from the site of the blast as special investigators examined the site for clues to the cause of the explosion.
So what we want to do is fine-tune that special characteristic of the light so it shines back and it doesn't absorb into the material and cause damage.