Samantha Jones faced a hanging sentence if convicted of murder but was sentenced to 42 months in prison after pleading guilty to a lesser charge.
Police in the US are probing the links between the suspected killer of a judge's son and a separate killing of a lawyer on the other side of the country.
The scandal involving his wife Penelope demolished his 2017 presidential bid.
Authorities in Moscow have released Russian journalist Ilya Azar early after he was jailed for staging a one-man protest against the detention of another activist.
The 2017 scandal sank the career of the then favourite for the Elysée and opened the door for Emmanuel Macron to win the French presidency.
The alleged impersonators wore a mask of French minister Jean-Yves Le Drian to trick their victims. The scheme saw them extort more than €50 million from wealthy figures.
The former Nissan chairman escaped Japan last week. In his first appearance since, he attacked Japan's justice system.
Servier Laboratories, the National Agency for the Safety of Medicines (ANSM) and 21 other defendants will face 2,684 plaintiffs. They allege that Mediator, marketed as an antidiabetic drug, has cost the lives of hundreds of patients.