Vigilante groups targeting alleged child predators and other criminals are being warned of the impact their work could have on Garda investigations. One such group says on Facebook they are there to ‘help protect every child’ across Ireland and the United Kingdom. Today's top videos STORY CONTINUES BELOWVideo footage circulating online has seen the groups confronting alleged child predators. The Connacht Tribune report that a ‘sting’ operation was carried out against a Galway man last week. Pic: Getty ImagesGardaí have previously said the work of such vigilante groups has the potential to lead to violence and/or cause harm.