Mr Pope described the arrangements as "a mess", with questions about who was responsible for what.
David Richards, 31, who lived in Mountain Ash, Rhondda Cynon Taf, with his partner and children, travelled to Prague on a stag do on 19 September, the court in Pontypridd heard.Later that evening, there was an "incident on the streets where he was struck on the head with a bottle".
He was taken to hospital but died on 21 September.The coroner was told that the full circumstances of the incident were "unclear" at this time.A post mortem examination was carried out at University Hospital in Prague.
It concluded that David Richards died as a result of an "intracerebral injury"Coroner Patrica Morgan said she had "reason to believe the death was violent or unnatural".
She opened an inquest but said there was a need for more investigation and the gathering of evidence before a conclusion could be reached.
The inquest was adjourned until after that evidence could be gathered and considered.Others had declined to speak about what had happened to them.
According to Public Prosecution Service assistant director Catherine Kierans, Hollingsbee was 17 when he began abusing girls online."He pretended to be a younger male and on occasions a female to gain the trust of other younger people," she said.
"He then proceeded to threaten and extort these children to provide him with naked images of themselves."Ms Kierans said 14 young women across the UK were now dealing with the fallout of the case which, like others of its kind, began on social media.