Which rapper said this?

Got this line looped in my head which is 'deadlier than a combination of cocaine and heroin.'

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Need to listen to the full song but whenever I google the lyrics I just get loads of anti drug content and fentonal studies. Which song is this and who said it?

submitted by /u/TheLegionofDoom2957
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source https://www.reddit.com/r/hiphopheads/comments/16bf9k7/which_rapper_said_this/