A 17-year-old boy was arrested on Tuesday 1st July 2014 by Thames Valley Police on suspicion of witness intimidation.
The teenager from High Wycombe has been released on bail until Monday 28th July 2014.
The arrest is in relation to a message sent via social media on Monday 30th June 2014 to the witness in a sexual offences case, ahead of a court appearance.
Investigating officer Det Con Kim Twaite from High Wycombe Force CID said: ‘We will always take any allegations of witness intimidation seriously; anyone suspected of this will be arrested. It is a serious offence for which a person can be imprisoned for five years, we ask that people think about their actions before sending messages on social media.‘
Further information can be found on the Thames Valley Police website.