The stepmother of a 17-year-old girl found dead in a suitcase in Thailand has told the ABC her family is "shocked and speechless" over her gruesome death.Australian man Simon Peter Carman has been charged with the murder of Tunchanok Donhomla, telling her family her death was "out of my control". Her stepmother, Oradee Bussarakum, said she and the teenager's father had tried but failed to contact her."We never expected this We did not force her to work," Ms Oradee said."She was still young, so sometimes we let her go out and gave her 50 to 100 baht."In a teary interview with Reuters outside a police station in Pattaya, Ms Tunchanok's father, Thongchai Donholma, said he was "deeply saddened" by his daughter's death and said she was always helpful to him."We were scared