After Lana followed John out of their workplace, where she saw him appearing to eye up his next target, she was intercepted by Youngblood, who told her off for following someone who was already under police surveillance. He then refused to offer more details, saying he “couldn’t talk about an on-going investigation”.
Article source: https://www.huffingtonpost.co.uk/entry/trigger-point-episode-4-questions-theories_uk_6209528ae4b0328e0027fd5d