Using a doll, he showed how he would repeatedly slap the child's head, twist his ear, bite his neck and choke him to the point where he required mouth-to-mouth resuscitation.
The people who take time off from work to get closer to a sawn-off dummy than anybody really wants to in order to practice mouth-to-mouth resuscitation.
Scientists say that the public is hesitant to give mouth-to-mouth resuscitation to a stranger and some others are not willing because they are not sure of the right technique.
He tried to staunch the blood, and when he could find no pulse he tried to keep the officer alive with mouth-to-mouth resuscitation and chest compressions.