Dozens of families have contacted ITV London over the treatment of their loved ones at Basildon Hospital.
The hospital is one of 14 across the country currently under investigation, because of higher than expected death rates.
One of the families claiming the death of their relative following treatment at Basildon Hospital could have been prevented is Lorraine Linder's.
Lorraine's family claim her death was preventable, she was diagnosed with lung cancer, the tumour spread to her spine and she died within weeks.
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Detective Constable Kevin Rowley appeared at Westminster Magistrates' Court on Monday charged with assaulting the teenager by beating him.
The Royal Observatory in Greenwich streamed the event online using state of the art telescopes.
Speaking to ITV News Simon Wilkinson said the company had no phone number for the former staff members and they didn't respond to emails.