As found by a consortium of local journalists within documents the former president tried to drown in a lake:
Kobzar’s staff may also have been involved in more than just security, according to documents found at the house. They might also have been involved in the severe beating of Tetyana Chornovol, a reporter known for her investigation of the personal wealth of Yanukovych and other top officials, on Dec 25 of last year. According to a handwritten notebook found on the scene obtained by yanukovychleaks.org, Kobzar had written notes of the attack.
According to an interview done a few weeks later, Chornovol said she became aware around midnight that she was being followed. She had just left the EuroMaidan protests and was leaving the scene on Khreshchatyk Street, a major street in the center of the city that has been blockaded in the protests and near where she had parked. As she left the city by car she got on Boryspilska Highway where she tried to avoid the cars following her but the attackers hit her car with theirs and forced her to stop. She was badly beaten by the attackers.
In the notebook, they are notes about the incident. The notebook contains the phrases “Chornovol went to Maidan,” followed by “23:10 turned off her phone. 23:50 turned it on at Khreshchatyk str.” And afterwards: “23:50 cleanup operation started” and “01:00 done (clean).” The notes were made in late December according to dates on other pages but there was no date on that page.