Human rights — Inhuman or degrading treatment or punishment — Right to a fair trial — Right of access to justice — Relevant case law — Relevant international instruments — Death sentence mandatory for offence of murder in Malawi — Whether constitutional — Whether mandatory death penalty violating Sections 19, 42(2) (f) and 41(2) of Malawi Constitution — Whether Section 210 of Malawi Penal Code invalid pursuant to Section 5 of Malawi Constitution — The law of Malawi