Advocacy groups filed complaint with federal officials on April 9
Jennicet GutiƩrrez heckled Obama during 2015 event
Incidents took place during Biden administration
Kelly GonzƔlez Aguilar spent nearly three years in ICE custody
Paul White has been at Caroline Detention Center since August 2020
Protest took place outside agency's D.C. headquarters on Wednesday
Pablo SƔnchez Gotopo passed away at Miss. hospital on Oct. 1
Letter notes 'grave concerns' and 'deficiencies' in detention centers
Letter notes Roxsana HernƔndez case
Roxsana HernƔndez passed away in N.M. in 2018