and censor data leading under cover agents names being compromised?

Does "and censor data leading under cover agents names being compromised" mean "and (failed to) censor/check out data about the names of the major undercover agents/major spies, so the value of his disclosing is compromised"?

Context:

A Conversation with Edward Snowden (Part 1)
Post Date: 18 September 2015

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Excellent interview! Mr. Snowden is clearly a thoughtful person who had good intentions. What a pity that his message has fallen on so many deaf ears.
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Shaun Salisbury Bill Lyons • 5 days ago
The problem is like John Oliver's interview pointed out he failed to go through all the data and censor data leading under cover agents names being compromised.
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C.Larz Shaun Salisbury • 4 days ago
The agents being compromised is not a valid reason to discredit Snowden exposure of widespread and massive violations of the Constitution..
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More:
http://www.startalkradio.net/show/a-conversation-with-edward-snowden-part-1/