An investigative journalist's reporting turned her into the target of trolls in a harassment campaign that has continued for years. What kind of toll has it taken on her life?
Jessikka Aro works for the Finnish national broadcaster YLE. In 2014, she was investigating the existence of pro-Russian troll factories. She was uncovering evidence of a state-sanctioned propaganda machine pushing a pro-Kremlin line through Twitter bots - automated accounts - and bot networks.