Mum slams 'evil monster' who 'executed' daughter in TUI travel agency as it's revealed murderer threatened to kill months before

Mum slams 'evil monster' who 'executed' daughter in TUI travel agency as it's revealed murderer threatened to kill months before

Cassie Hayes, 28, was "executed" by Andrew Burke, 30, at the TUI travel agents where she was assistant manager in Southport, Merseyside, in January. Cassie's sobbing mum Tracy today branded him "the most evil horrific monster walking this earth" and said he…