Delay admitted it?

A page A01 WaPo summary article says that Delay admitted the second half of the illegal transfers during a plea negotiation.

At that session, DeLay acknowledged that in 2002 he was informed about and expressed his support for transfers of $190,000 in mostly corporate funds from his Texas political action committee to an arm of the Republican National Committee in Washington and then back to Texas, according to the sources, who spoke on the condition that they not be named. ....

Also in this article,

The disclosures also show the potential weakness of the Travis County prosecutor's case. Sources said it is based so far almost entirely on DeLay's admissions to Earle and his subsequent statements in media interviews about the money transfers. To date, Earle has not gathered compelling testimony from other witnesses or found documents that portray DeLay as the mastermind of the $190,000 transfers, they added.