If you are a target of a sextortion scam like this, or others, where you need to pay to get your compromising data deleted, do not engage with the scammer. These emails can sound intimidating, especially if the scammer is able to add details about you taken from public data, like from your social media accounts. As a result, the scam is rather lucrative. If they said they have your password: Head here for more info on this scam: https://blog.malwarebytes.com/101/2018/10/sextortion-em