Andrew Bridgen & Liz Gunn about Child Sex Trafficking in the UK

A Ukrainian secret service operative who blew the whistle on child trafficking from Ukraine to the UK has been ASSASSINATED in a car bomb attack.
A second operative was targeted in a separate attack, injured but alive, sending shockwaves through those fighting to expose the dark networks at play.
Liz Gunn and former MP Andrew Bridgen have sounded the alarm, MI5 was BRIEFED on this case.
Did they know the risks? Did they act? Or was this information buried?