Washington Post: "Sirota's undisclosed connection to Sanders is a breach of journalistic ethics"

[dalton99a]

92. TweetDelete is the most popular.

https://www.wikihow.com/Delete-All-Tweets
How to Delete All Tweets

Navigate to http://www.twitwipe.com. TwitWipe is a free service that delete all of your tweets in a single swoop.[1]
TwitWipe can only manage your last 3,200 tweets. If you have more tweets than that, you’ll have to delete the remaining tweets manually.

Navigate to http://www.tweetdelete.net. TweetDelete is a free service that can delete all of the tweets in your Twitter account.[4]
Due to Twitter limitations, TweetDelete can only delete your last 3,200 tweets.[5]

Navigate to https://www.gocardigan.com. Cardigan is a free and reliable open-source service that will delete every tweet in your Twitter account.[9]
Cardigan, like all Twitter deletion apps, can only manage your last 3,200 tweets.[10] However, it's possible to grant Cardigan access to the remaining tweets.

Navigate to http://www.deletealltweets.com. You can use this free tool to delete all of the tweets in your account. Like all such tools, Delete All Tweets can only access the last 3,200 tweets in your account.
Only use this tool if your sure you want to delete all of your tweets. The process starts as soon as you authorize the app, and you won’t be able to stop it.
This tool will automatically send a tweet from you that advertises its services. Continue with this method to learn how to delete that tweet.

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Also:
https://www.theverge.com/2018/2/8/16991396/how-to-delete-twitter-history-tweetdelete
How to delete your Twitter history