They don't claim at all that they traced Monero. In fact they specifically mention tracing Bitcoin and DO NOT mention Monero at the top of the section just before they
"As described below,
Crypto Account-1 appears to have received substantial funds from Marketplace-1. Using software
tools, law enforcement officers have reviewed the publicly available Bitcoin digital ledger, as well
as the transaction history of Crypto Account-1, and learned the following, in substance and in part:"
They don't claim to have any transparency into his XMR transactions. According to them, they we watching the BTC blockchain, the swap service and the CEX.
LE got this information by identifying the person and their BTC addresses FIRST
And then watched them send their BTC through the swap and saw the Monero appear in their CEX account.
Zero transparency into the Monero transactions.
You are a liar calling this "tracing Monero"
And that's just the FIRST of your "sources"