State Integrity news for Massachusetts from SII partner WBUR:

Monday’s indictment of former state Treasurer Timothy Cahill is just one in a series of recent corruption scandals in Massachusetts.

Last month, a federal indictment named former Massachusetts Probation Commissioner John O’Brien and two of his top aides. Before that, the state’s last three House speakers, before current Speaker Robert DeLeo, were all convicted.

All of which begs the question: How much of a problem is corruption in Massachusetts?

Hear more from WBUR - Boston.