Tenant Jonathon Michael Parker sentenced for blackmailing elderly landlords after bitter dispute

Open Justice reporter·NZ Herald·18 Jul, 2026 11:00 PM5 mins to read‌Landlords Jeffrey and Margaret Walker were traumatised when their tenant Jonathon Michael Parker (inset) tried to blackmail them. Jeffrey Walker died in May this year after he was diagnosed with terminal pancreatic cancer.As cars approached her house, Margaret Walker found herself growing anxious.Sleep became difficult, and anxiety attacks plagued the 72-year-old.It followed a long-standing dispute with a former tenant that had escalated into a blackmail threat, leaving Margaret and her husband, Jeffrey Walker, fearing for their safety. Jeffrey was frail