Ihave to do a power point and i want some ideas about advantages and challenges faced by police officers of in car cameras , body cameras and the general population of filming every encounter of police officers

One advantage is to be able to put down false accusations from civilians. One disadvantage is lack of privacy in a sense or battery usage.

Not true , they can fall or something

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.