McQuaid and his girlfriend, Lia LoRusso, are prosecution witnesses against defense lawyer George Galgano.
In a filing against Levy, Galgano's lawyers ask whether the prisoners were left alone so they could coordinate their stories against Galgaono, according to lohud.com.
A spokeswoman for Levy denied the allegations, noting prisoners are always supervised, in shackles, and handcuffed when out of the prison, lohud.com reported.
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