Israel's Palestinian Arab MPS, including Ahmad Tibi, called for her immediate release and Aida Touma-Suleiman called it 'a political detention of an elected official who is opposed to the occupation.' A Palestinian prisoner advocate who tracks the welfare of Palestinian prisoners, Kaddoura Fares, said the timing of the arrest aroused suspicions that Israel's measure against Jarrar was motivated by vindictiveness, given her role in monitoring International Criminal Court (ICC) procedures, and the fact that the order for her detention was implemented immediately after the Palestinian National Authority was accepted as a member of the ICC and was arrested just after the Palestinian Authority joined the ICC. Her husband also stated it may be a possible retaliation for Palestine's membership of the ICC. Amnesty International noted that Jarrar suffers from chronic health problems, with the prospect of facing indefinite detention without charge or trial. 58 Members of the European Parliament protested her arrest in an open letter to Federica Mogherini, stating that attempts to forcibly transfer a person under occupation, to which she was subject in August 2014, constituted a violation of the Fourth Geneva Convention. Haaretz stated at the time of her arrest: