Nisa Mohd did not send her daughter to boarding school unprepared. Before the now 17-year-old left for Melaka, her mother enrolled her in silat, the Malay martial art, and made one instruction clear: report any trouble immediately.She still watches for shifts in her daughter’s mood each time they speak.Millions of parents across Malaysia recognise her vigilance, with the country still following the inquest into the death last year of 13-year-old Zara Qairina Mahathir and a steady succession of...