Over 800 staff quizzed in saline investigation11th July 2012
Detectives have questioned more than 800 members of staff at a hospital in Stockport following the deaths of patients a year ago.
The investigation into saline contamination began after 22 people were affected by the poisoning at the Stepping Hill Hospital.
Seven of them died from the contamination of products with insulin between 1 June and 15 July 2011.
Of the two people arrested, one was released without charge and the other remains on police bail.
The Greater Manchester Police probe began after the death of Tracey Arden, 44, on 7 July and Arnold Lancaster, 71, on 11 July and the discovery that saline drips had been tampered with. It was later extended to include five other deaths.
Det Supt Simon Barraclough said: “We have set ourselves the task of understanding and proving how each person was poisoned, how and if this caused or contributed to their deaths and obviously who is responsible.
“To that end we are making good progress, but it won't be until the very end of the criminal or coronial process that these questions will be properly answered.”
He said the size and complexity of the investigation was reflected in the number of inquiries carried out. Detectives were investigating and analysing each of the hundreds of interactions all 22 patients had with a member of staff or visitor during their time at Stepping Hill.
The team has also gathered information relating to more than 2,300 people including patients, hospital staff and visitors as part of the investigation.
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Title: Over 800 staff quizzed in saline investigation
Author: Mark Nicholls
Article Id: 22321
Date Added: 11th Jul 2012