Translate the following English sentence to French:
"Any paedophiles found guilty must be banned from activities involving contact with minors and we must crack down hard on them, as called for in Amendment No 9."
Quant aux pédophiles reconnus coupables, ils ne doivent plus exercer des activités impliquant des contacts avec des mineurs et il s' agit de les réprimer sévèrement, comme l' amendement 9 l' exige.