Should Teenagers be Tried as Adults?

All states allow teenagers under 16 to be tried as adults, depending on the crime(s) involved. There’s some arguments that state that teens lack the mental comprehension of their crime and shouldn’t be tried as adults. Others say if they could perform the act, then they had the comprehension. For one to make a valid argument, they should research the pros and cons of this issue, before they make a formed opinion.