The clip is from a BBC N.I. Spotlight programme originally shown in 2014.
You can see the whole programme on You tube.
Psalm 37:1 Fret not thyself because of evildoers, neither be thou envious against the workers of iniquity.
2 For they shall soon be cut down like the grass, and wither as the green herb.
3 Trust in the Lord, and do good; so shalt thou dwell in the land, and verily thou shalt be fed.