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.
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.
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.