excessive force and negligence arguing in part that quote while the defendants were depriving him of necessary medical treatment, lambert suffered cardiac arrest and death in violation of his rights. south boston police department and three officers involved denied these claims. a statement from their attorney says in part quote, we are vigorously defending the case. our position is reaffirmed by the reports of two independent well-qualified experts in the field. taser logs show the officers pull the trigger 18 times with one officer using the taser 15 times, it's unclear how many times lambert was actually struck. >> it is a common practice for multiple officers to fire their taser because you need the darts to correctly seat into the person's body. every time you use that taser, every time you zap somebody with that taser even after you deploy it, you have to give a reason why. there has to be a reason why you continue to use that taser. >> reporter: while lambert's