uncivilised adj. (UK)/ uncivilized adj. (USA)
unacceptable adj.
outrageous adj.
/aʊtˈreɪdʒəs/
atrocious adj. /əˈtrəʊʃəs/
crime n.
petty crime n.
tackle the situation v.
lock them up v. (in prison)
throw away the key v.
"they should lock them up and throw away the key!"