Four people believed to be connected to the drugs found in Philip Seymour Hoffman's apartment were arrested late Tuesday night, law enforcement officials told CNN. During the raid that led to the arrest of the three men and one woman, police recovered 350 small plastic bags of what is believed to be heroin, the officials said. The bags of alleged heroin were branded  "black list" and "red bull" -- not the same brands found in Hoffman's apartment, the sources said. Apartments at 302 Mott Street in Manhattan, where the four were arrested, are part of the investigation into Hoffman's death, according to a police source.
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Three enter not guilty pleas; Office decides not to prosecute fourth
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A candlelight vigil is held for Hoffman in New York
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Determination of cause and manner of his death is pending further study
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Source: Police recover 350 bags of what is believed to be heroin
When police were called to Hoffman's fourth-floor @placeholder apartment Sunday, they found the actor lying on the bathroom floor with a syringe in his left arm.