Grutz hires Boris to drive his truck.Boris's job is to make 5 or 6 trips a day from point A to point B.Boris starts his second trip of the morning when he realize he failed to pack his lunch. So rather than going to point B, Boris goes home where he prepares to make his favorite lunch: A peanut butter and Miracle Whip sandwich with sour cream & onion potato chips and milk.Boris's Miracle Whip knife reads empty, so he gets in the truck, and heads to his local Quick Shop for a new bottle of Miracle Whip.Oh his way, he runs a stop sign, runs into a bus full of dentists and kills 5 or 6 dentists.

Is Grutz liable for the Dead Dentists?Fully explain your answer.

Is it different if Boris finishes making his lunch and is heading back to point B when he runs the stop sign and kills the dentists?Fully explain your answer.