Mujahid Hassan Zaki, a leading member of the Freedom and Justice party, was found dead after his arrest.
Since the coup in July 2013, both official and privately owned Egyptian media have given an almost hysterical support for the Sisi regime and all its transgressions including mass executions.
A new report reveals hundreds killed and family homes razed to the ground in North Sinai, as residents endure a prolonged state of emergency, amid a media blackout.
Fourteen members of the Brotherhood have had their death sentences sent to Egypt's grand mufti for approval.
A new leaked recording allegedly from Sisi's office manager, hints at collaboration between Cairo and Libyan renegade general, Khalifa Haftar.
Reports indicate prisoners have been beaten, their personal belongings burned and water and electricity shut off.
Analysis: A social media campaign is calling for an end to a culture of impunity and medical negligence, which is blamed for many deaths in the country's jails.
Anti-coup protests continue across Egypt, as further deaths at the hands of security forces ramps up anger at the violent crackdown against dissent.
Civil activists have criticised the decision to sentence a boy in Egypt to prison for stealing bread, while corrupt leaders are left unchallenged.