Authorities investigate the scene in the 1200 block of South Lipan Street where a small explosion in the back of a marijuana grow house injured three people, April 23, 2014. (RJ Sangosti, The Denver Post)

Three charged in Denver hash oil extraction explosion

Three people have been charged in an illegal hash oil production that caused an explosion in April.

Matthew Ackerman, 24, Danielle Cordova, 20, and Paul Mannaioni, 24, are each charged with processing or manufacturing marijuana concentrate, the Denver district attorney’s office announced Thursday.

Video: See the butane explosions and fire in an illegal Washington hash-oil extraction, recorded by a neighbor

The three are accused of extracting hash oil April 23 in a warehouse on the 1200 block of Lipan Street, the DA’s office said in a news release. The extraction process caused an explosion. All three have been released from custody on bail are due in July in Denver County Court to be advised of the charges. Colorado authorities have reported a rise in hash oil explosions this year.

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