Complex sentence: Less than three weeks before his murder, on 10 February, Nemtsov wrote on Russia's news website that his mother was afraid Putin would kill him, he added that his 87-years-old mother is also afraid for Mikhail Khodorkovsky and Alexey Navalny.
Split into simpler sentences: Less than three weeks before his murder, on 10 February, Nemtsov wrote on Russia's news website that his mother was afraid Putin would kill him. He added that his 87-year-old mother is also afraid for Mikhail Khodorkovsky and Alexey Navalny.