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EMMITSBURG, Md. (CBS/AP) — A 36-year-old man has been arrested for allegedly raping a 12-year-old girl he met on Snapchat while posing as a 14-year-old boy.

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News outlets report 36-year-old John Warren Compton of Maryland was arrested Sunday at a park where he had arranged to meet the girl again.

According to charging documents, the girl reported Compton in mid-August, about a week after she said she had been raped. She told authorities she didn’t know he was an adult until he came to pick her up in Pennsylvania.

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Frederick County sheriff’s deputies took over her social media accounts, and arranged Sunday’s meeting with Compton.

Compton denied he pretended to be 14 and told investigators he’d met the girl on Tinder and was told she was 18.

He’s being held without bail on charges including second-degree rape.

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(©Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)