For:
If someone kills a person it is just normal that this one dies in return..
They should suffer as much as their victims...
They (criminals) wouldn't be able to commit other crimes!
Against:
It is cruel and it makes us as bad as them (the criminals)
Being alone for years in a cell is more difficult to support!
Others:
http://listverse.com/2013/06/01/5-arguments-for-and-against-the-death-penalty/
http://www.bbc.co.uk/newsround/15007511
Hope it helps you!
