A woman has been arrested by gardaí investigating the murder of Mark Desmond in Dublin last year.
The arrest of the 42-year-old in the west Dublin area brings the number of people in custody over the murder to five.
Two men in their 20s were arrested this morning in the Clondalkin area.
The body of Mr Desmond, a convicted criminal, was discovered at Griffeen Valley Park on 2 December 2016.
He had been shot at least three times in the head.
Two other men were arrested as part of the investigation yesterday.
