A Yahoo UK Ltd legal intern has told a trial that she assisted with providing authorities with evidence of emails sent to and from two email addresses, one of which the State alleges is the accused.

A man accused of being an international cocaine trafficker had telephone numbers for people in more than 20 countries on his mobile phone, a trial has heard.

A Polish undercover garda has told a trial how he posed as a drugs mule to catch an alleged international cocaine trafficker.

A Swiss undercover agent involved in a drug trafficking investigation was forbidden to travel to Ireland because his anonymity and safety could not be guaranteed, a trial has heard.

A man has gone on trial accused of soliciting two undercover gardaí to travel to Brazil to collect cocaine and bring it back into Ireland.