What poem written by Lermontov pointed out Pushkin’s murderer?

Lermontov wrote the poem "The Death of the Poet", pointing out that the murderer who killed Pushkin was the entire upper class society in Russia.

The author angrily told these butchers that although they were hiding under the shadow of the law and were silent on justice and fairness, "God's judgment" was waiting for them. "God's judgment" refers to the judgment of the people. The poet was therefore exiled to the Caucasus. This poem shocked the entire Russian literary world, and he was recognized as Pushkin's successor. On his way to exile in the Caucasus, the issue of "Modern Man" magazine containing his long poem "Bolokino" was published. This poem commemorating the Patriotic War of 1812 is one of Lermontov's important works and marks the entry into a mature period of his creative activities.

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