DENVER (CBS4) – The five people who were found dead inside a Denver bar last month were stabbed to death.

Police say the killers set Fero’s Bar & Grill on fire after committing the crimes in an effort to cover it up. Up until this week police hadn’t stated exactly how the five victims were killed on Oct. 17.

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Three men have been arrested and are charged with first degree murder, arson and robbery. Dexter Lewis, Lynell Hill and his brother Joseph Hill all face charges.

(credit: CBS)

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Investigators believe the motive for the crimes was stealing.

Young Fero, Teresa Beesley, Kellene Fallon, Daria Pohl, Ross Richter (credit: CBS)

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Those killed include Young Fero, the owner of the bar, Teresa Beesley, Kellene Fallon, Daria Pohl and Ross Richter.