The QC representing Ashworth Hospital claims medical evidence strongly suggests Ian Brady has always deliberately concealed his mental illness.
"It is covert," Miss Eleanor Grey said.
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The former England cricketer fears England will become "cluttered" unless it leaves the EU.
Jean-Louis Cayrou, 54, was found guilty of murdering his ex-lover Patricia Wilson, 58, after their relationship broke down.
Both the pilot and the passenger died in the collision shortly before 5pm near Shaw Lane, Shifnal near Telford.