Defendant read news articles after tree discoveredpublished at 14:24 British Summer Time 30 April
In the days after the tree was discovered, Daniel Graham's phone was being used to access news reports about the felling, the court hears.
They included articles detailing the arrests of a 16-year-old boy and 60-year-old man on suspicion of chopping down the tree.
Multiple searches for "Sycamore Gap" were also made on YouTube, with videos including one saying "Robin Hood tree in Britain destroyed teenager arrested" accessed.