How do you tell the difference between someone who forgot their child in a car from someone who "forgot" their child in the car? Should we really be sending the

How do you tell the difference between someone who forgot their child in a car from someone who "forgot" their child in the car? Should we really be sending the message "you can always get away with killing your kid as long as you use this method. It's a get out of jail free card." From my experience growing up parental child abuse is fairly common but very underreported so the case of malice can't exactly be discounted. It's a difficult issue... Even if malice isn't intended there is certainly negligence.