 Oftentimes in situations like these, the bad guys use the baby as a shield. It's a great moment of cowardice that when you witness it, it pumps the brakes on everything. As a father, you just can't put yourself in that position as a good father. So when you see a father do that to their child, it strikes a chord in you that you want to make sure that you do everything in your power to bring this guy to justice.