Law & Order: Criminal Intent (RU)

Tumor (4x11)

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At an abandoned warehouse employee was found dead SES Konstantin Melnichenko. From the district Loginov and Peter have learned that the warehouse was a "point" of drug trafficking. Local dealer gave detectives Baskakov used needle, which is found in the warehouse, but experts have determined that it was she was made an injection of poison that killed Malnichenko. Who made the fatal shot?