A “smiling killer” was caught on CCTV grinning as he got on a bus after stabbing his wife to death in broad daylight and leaving their baby behind, prosecutors have told a jury.
Kulsuma Akter, 27, suffered more than 25 knife injuries in an attack by Habibur Masum, 26, after he confronted her in the street while she was pushing their seven-month-old son in a pram on April 6 last year.
