It caused a stir, as the 29-year-old irish journalist Lyra McKee, was killed 18. april of last year.
Now, irish police arrested four men on 20, 27, 29 and 52 years under the terror-the paragraph, after the militant group the 'New IRA' claimed responsibility for the killing.
The female journalist was shot in the Creggan area, and the four arrested are now in court in Belfast.
After the arrest has seniorefterforsker with the police Jason Murphy asked the public's help for justice to be done.
- I have all the time to be convinced that some of the people in our community know what happened and who was involved, he says.
He explains that he is aware that some persons are frightened of the consequences of talking to the police, but he stresses that he guarantees anonymity to the people who know something about the murder and help the police.
He also calls on all who have the video recordings from the site on the evening of the killing, to deliver the clips to the police.
the 112 - 23. apr. 2019 - at. 10:43 of the 57-year-old woman arrested for the killing of journalist
Community - 23. apr. 2019 - at. 04:08 Take responsibility for journalistdrab: Stood close to the enemy
the 112 - 20. apr. 2019 - at. 10:57 Two arrested after killing of journalist in northern Ireland
the 112 - 19. apr. 2019 - at. 13:21 29-year-old journalist shot and killed: 'Absolute madness'