Who killed the Russian ambassador Andrey Karlov in Turkey and why?

ISR: Since Turkey threw its support behind violent armed groups in Syria, the number of attacks in Turkey have increased. After each attack, the Turkish president, Recep Tayyip Erdoğan, and his government accused "Kurdish terrorists" and some times they accused ISIL terrorists. This time, it will be hard pinning the killing of the Russian ambassador on either. The gunman, wearing suit and a dark tie, looked more like a police officer working for the Turkish government than a Kurdish or ISIL fighter. Erdogan, therefore, and his government must take part of the blame for the crime this time. Their rhetoric and one-sided narrative about the Syrian conflict made it clear to the Turkish people that the armed groups are "righteous" and the Syrian government, and all its supporters, are evil. That one-sided, absolutist rhetoric motivates Turkish individuals to kill anyone who support the government of Syria. Erdogan and his government must walk back their rhetoric before they are able to contain the violence that is bound to consume Turkey. Absolutist, dogmatic political rhetoric has consequences. The Turkish government is responsible for violence stemming from its sectarian, hateful, and violent rhetoric.

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Announcing Karlov's death, the ministry spokeswoman Maria Zakharova said the "day is tragic in the history of the Russian diplomacy." The ambassador was shot at a public event in the Turkish capital, the ministry confirmed, saying that he later died of his wounds.

The topic of the killing of the Russian diplomat will be raised at the UN Security Council on Monday, Zakharova said.

The Russian Foreign Ministry will issue a statement later in the day, she added.
Moscow will resolutely fight terrorism, Zakharova said, adding that Russia expects Turkish authorities to launch a "thorough" investigation into the murder.

Calling Karlov "an outstanding Russian diplomat," Zakharova said that the ambassador "had done a lot to fight terrorism."

"His memory will remain in our hearts forever," she said, adding that Moscow will make sure those behind the murder "will be punished."

The "hideous" murder of the diplomat should not impede the progress of talks on Syria, scheduled to be held among Russia, Iran and Turkey on Tuesday, Russian MP and head of the International Affairs Committee, Leonid Slutsky, said. Speaking to Russia's Rossiya 24 TV channel, Slutsky said that Moscow and Ankara should ramp up their efforts in order to achieve a solution to the Syrian crisis. source