Political assassinations

Montenegro police officers guard the entrance to the court during the verdict in the case of ''attempted terrorism'' and ''creating a criminal organization'', in Podgorica, Montenegro, Thursday, May 9, 2019. A court in Montenegro has sentenced 13 people, including two Russian secret service operatives, to up to 15 years in prison after they were found guilty of plotting to overthrow the Balkan country's government and prevent it from joining NATO. (AP Photo/Risto Bozovic)

FILE - In this Jan. 29, 2017 file photo, conservative presidential candidate Francois Fillon and his wife Penelope attend a campaign meeting in Paris. A French judicial official says investigating judges have requested that former Prime Minister Francois Fillon and his wife stand trial on corruption charges. (AP Photo/Christophe Ena, File)

FILE - In this Jan. 9, 2018 file photo, Rio de Janeiro Councilwoman Marielle Franco smiles for a photo in Cinelandia square. Police in Brazil said on Tuesday, March 12, 2019, that they have arrested two suspects in the killing of Franco and her driver last year. (AP Photo/Ellis Rua, File)

FILE -- In this June 29, 2015 file photo, Egyptian policemen stand guard at the site of a bombing that killed Egypt's top prosecutor, Hisham Barakat, who oversaw cases against thousands of Islamists, in Cairo. On Wednesday, Feb. 20, 2019 Egypt executed nine suspected Muslim Brotherhood members convicted of involvement in the 2015 assassination of Barakat, security officials said. The nine were found guilty of taking part in the bombing that killed Barakat, the first assassination of a senior official in Egypt in a quarter century. (AP Photo/Eman Helal, File)

In this photo taken on Tuesday, Feb. 5, 2019, friends and relatives of Alaa Mashzoub light candles at his assassination site in Karbala, Iraq. Alaa Mashzoub, the Iraqi novelist who was gunned down this week in Karbala, was a secular civil society activist who used his bike to get around the Shiite holy city's infamous traffic and road closures. He was also an outspoken critic of foreign interferences in Iraqi affairs Iraq and political meddling by powerful militias backed by Iran. On Saturday, he was gunned down by unknown assailants who silenced him with 13 bullets as he rode his bicycle home for the last time. (AP Photo/Anmar Khalil)

FILE - In this May 1, 2018, file photo, anti-fascists shout slogans against members of the far-right National-Radical Camp in Warsaw, Poland. Poland's political fissures have widened in recent months, pitting conservatives, many of them government supporters, against liberal critics who accuse the leadership of threatening the country's hard-won democracy by undermining the independence of the judiciary and the media. (AP Photo/Czarek Sokolowski, File)

FILE - The May 4, 2016 file photo shows Gdansk mayor Pawel Adamowicz speaking at a commemoration ceremony for late Bremen Mayor Hans Koschnick. Poland's health minister says that Gdansk Mayor Pawel Adamowicz has died from stab wounds a day after being attacked onstage by an ex-convict at a charity event. (Carmen Jaspersen/dpa via AP)

CAPTION CORRECTS THE TRIAL INFO - FILE - In this Monday, Dec. 19, 2016 file photo, Mevlut Mert Altintas, an off-duty policeman, shouts after shooting Andrei Karlov, right, the Russian ambassador to Turkey, at an art gallery in Ankara, Turkey. Altintas was killed by police shortly afterwards. A trial against 28 people accused of involvement in Karlov's killing begins in Ankara on Tuesday, Jan. 8, 2019. (AP Photo/Burhan Ozbilici, File)