Chief Supt
Coall, boss of Steelhouse Lane Police Station, said: "I am delighted.
Damien Byrne, Jagveen Bagery, Malcolm
Coall, Sharon Naughton, Helen Emerson; Claire Greenwood, Ben Evans, Nicola Fleet-Milne, Madeline Reaves; Beth Zaltzman, Tony Dallison, Simon Wales, Emma Whigham; Tim Rayner, Marcia Winter, Simon Gomes, Alastair Willcox
Supt
Coall, who went to Stoney Stanton Road in March last year, has moved to a new role with the force in Birmingham.
Detective Chief Inspector Malcolm
Coall, who is leading the murder inquiry, said: "At this stage there's no clear motive and we are appealing for witnesses.
Bone marrow samples from the time of diagnosis were collected during the 1997 Co-operative Study Group for Childhood Acute Leukemia (
COALL) trial.
Coall of Edith Cowan University, who co wrote the article along with Ralph Hertwig of the University of Basel.
Malcolm
Coall, chair of the partnership, said: "Even though crime is falling, we should still always consider the security of our properties and own safety.
Chief Superintendent Malcolm
Coall, from West Midlands Police, said the incident was "not random".
Supt
Coall added he hoped it would encourage people who would not normally speak to police or visit a police station to speak to officers.
Det Chief Insp Malcolm
Coall said: "We need to catch this man."
Detective Inspector Malcolm
Coall, head of the Birmingham unit, said: 'These are despicable crimes carried out by ruthless people.