Philip Boucher-Hayes is head of RTÉ's Radio Investigative Unit. He is a news reporter, radio presenter and occasionally appears on television. As a news reporter, RTÉ has dispatched Boucher-Hayes to a number of remote locations including Kosovo, Israel, Iran, Iraq and New York City. He has reported on numerous domestic issues such as suspicious murders and the quality of water and has also presented Investigation on One on RTÉ Radio One, recently being seen on RTÉ One presenting Buyer Beware! He has also appeared on television shows such as The Panel to discuss his work.
Boucher-Hayes presents the investigative radio series, Investigation on One on RTÉ Radio One each Monday evening. The show is given its own segment on Today with Pat Kenny the morning before broadcast, with Boucher-Hayes presenting the evidence in a style that has been compared to a "scene where Hercule Poirot explains the whole thing to an assembly of slow-witted guests in the drawing room". He covers such topics as the spraying of vegetables, particularly mushrooms, with carcinogenic chemicals.