Travis Barker 'Disgusted' Over Adult Echosmith Drummer Allegedly Contacting 13-Year-Old Daughter

Blink-182 drummer Travis Barker is calling out a 20-year-old man who he says was exhibiting predatory behavior towards his 13-year-old daughter ... and the guy is a fellow musician from a famous band.

Barker's daughter, Alabama, with Shanna Moakler, posted screenshots to her Instagram from alleged direct messages she received from 20-year-old Graham Sierota, the drummer for the indie-pop band, Echosmith.

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