Gal explained that she had endured weeks of severe headaches before seeking medical help.
Nyariki's remains were found in the main suspect's car on December 20.
Kenya has been acknowledged world over for having a progressive Constitution that guarantees unfettered rights and fundamental freedoms to its citizens.
The British woman was in the country with her family for holiday and philanthropic activities.
The latest ruling came after a petition was filed on December 26.
Rigathi Gachagua has criticised the recent abductions of government critics, terming them as desperate attempts by government to silence Kenyans.
High Court judge orders Inspector General of Police Douglas Kanja to appear in court today at 11 am with the abductees.
Wiper leader Kalonzo Musyoka accused Ruto's administration of overseeing mass abductions of government critics on social media.
Opposition tells Ruto buck stops with him on abductions, demands release of those abducted.
Children are three times more likely than adults to suffer violence and abuse during migration.Many are detained or trafficked into forced labour.