David Richards : After the terror attacks , some call for more surveillance . That 's a bad idea . He says cameras helped ID suspects , but it was the computer system that worked . He says more cameras would be costly , could not stand in for terrorists . Richards : Punish those who abuse others , hurt others ; do n't take liberties away .
Neil Richards : After Boston terror attack , some call for more surveillance . That 's a bad idea . He says cameras helped ID suspects , but it was the police system that worked . He says more cameras would be costly , could not stand in for humans . Richards : Punish those who abuse freedom , hurt others ; do n't take liberties away .