PHILADELPHIA (CBS) – The family of a woman killed last year in a senior living community fire in West Chester has filed a lawsuit.

Theresa Malloy, 85, was one of four people who died in November’s inferno at Barclay Friends.

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An attorney for her family tells Eyewitness News careless smoking on the “non-smoking” campus may have been the cause behind the fire.

The family recently filed a lawsuit demanding answers and reform.

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“This was systemic failure across multiple levels — failure to enforce their smoking policies, failure to have a fire suppression system that works, failure to evacuate. They were 0-3. Theresa Malloy paid with her life,” said Robert Mongeluzzi, the family’s attorney.

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The official cause remains under investigation.

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However, a federal report on the deadly fire is expected out in the near future.