Senior Sinn Fein Stormont assembly member Gerry Kelly said the arrest and continued detention of Mr Adams was deliberately timed to coincide with the elections in three weeks' time.
This is political policing at its most blatant.
Sinn Fein will not be intimidated by the action of a small cabal in the PSNI who are opposed to the peace process and political change.
Adams attacks reasons for his detention and denies McConville murder
It is claimed IRA volunteers described what happened the night Jean McConville was murdered to Boston College's "Belfast Project".