Day 27 of the Graham Dwyer murder trial has been hearing evidence relating to mobile phone traffic, toll booth records and a get together with a childhood friend

The 42 year old of Kerrymount Close, Foxrock denies stabbing the childcare worker at Killakee mountain in Dublin in August 2012.

The jury heard details of Graham Dwyer's toll records particularly information relating to booths on the M4 and M6 Dublin to Galway road on the 4 July 2012

Witness Sinead Norman who lives in Co Galway said she met with him around 4 times after he responded to an advertisement for an architect and may have spoken to him on that date.

Colm Costello a friend of Graham Dwyer's since nursery school in Bandon Co Cork also gave evidence

He spoke of a get together a group of 6 of them had in a pub in Foxrock on the 2nd July 2011 - as he left court he acknowledged the accused with a brief greeting.

Earlier the jury heard mobile phone operators like Vodafone, 3 and 02 gave gardai records for several phones of interest including a prepaid 083 number and what the prosecution says is Graham Dwyer's 087 number.