point the finger
• openly accuse someone or apportion blame.
• "I hope that the committee will point the finger at the real culprits"
Similar:
accuse,
blame,
denounce,
inform against,
blacken the name of,
incriminate,
implicate,
involve,
entrap,
frame,
set up,
stick/pin the blame on,
rat on,
grass on,
fit up,
inculpate,