A onetime associate of former Rep. David Rivera has pleaded guilty to four charges in a long-running campaign finance investigation that also implicates Rivera.

Attorneys for Ana Alliegro announcing that she would plead guilty rather than go to trial next week.

Alliegro was accused of funneling about $80-thousand to an unknown Democratic candidate in the 2012 primary for the House seat then held by Rivera.

Alliegro is to be sentenced Sept. 10.