A source close to the family told St. Lucia News Online that the teenager is among four brothers “assisting police with investigations”. The eldest brother is in his early 30s.
The female was nabbed by the police recently.
Frederick was fatally shot in Leslie Land, Castries at about 8:15 p.m. on July 1, 2014.
He was reportedly lured to the area by a female. He was subsequently ambushed and shot at least 15 times.