Comments left by the author of a spam/offensive post should be deleted from the post too
51996
Destroying a spammer does not delete their comments
147483
Make "who flagged this" data available to moderators for chat offensive flags
147521
Deleting my own bad answer or comment
28385
Commenting on a closed post should dismiss the flag asking for a comment
116674
Allow author of accepted answer to delete it in certain circumstances
47581
Marking comments as 'addressed by edit' to reduce noise
110606
Can we get a comments only lock?
141462
Should Stack Exchange have a spam filter? (Does it already and I’m not aware?)
5746
Disallow deletion of questions for 24 hours after last answer was posted
106409
Don't automatically clear the possible comment abuse flags when a post is deleted by the owner
33204
What should I do if a user posts sensitive information as part of a question or answer?
33530
Show us who submitted offensive and comment flags
143247
Help this poor spammer out
41382
Deleting comments under posts in the mod queue should be easier
94985
Suppress author option: remove the name of an author already used in text
370
"Spam Voting" - Should we stop it?
42721
Self destructing comments