Prosecutors contend recorded jailhouse calls are proof of conspiracy to conceal evidence . The defense argues the recordings were made without a warrant and that they should be released because it would show police officers had no reason not to arrest Tsarnaev.
Prosecutors contend recorded jailhouse calls are proof of conspiracy to conceal evidence . Aaron Hernandez 's defense argues the calls are irrelevant , prejudicial and contain hearsay . Judge to hear arguments and then decide whether state can admit the calls as evidence .