From RT

January 27, 2017

The emails of the killer of Andrey Karlov, the former Russian Ambassador to Turkey, were deleted following the assassination, an investigation into the murder has shown, Daily Sabah newspaper reports, citing sources. The attacker’s computer and mobile phone were seized as part of the investigation, but all e-mail correspondence had been deleted at about 9:30pm, two and a half hours after the attack. Russia’s ambassador to Turkey, Andrey Karlov, was killed on December 19 by Mevlut Mert Altıntas, a police officer, during the opening reception of an art exhibition in the Turkish capital Ankara. The attacker was later killed in a shootout with police.

https://www.rt.com/news/line/