ST. LOUIS — The wife of a St. Louis artist who died working on a project five years ago has asked authorities to reopen the investigation into his death.

Melissa Giovanna “Gigi” Zompa Cassilly tells the St. Louis Post-Dispatch ( ) that she doesn’t believe the death of her husband Bob Cassilly was an accident.

Bob Cassilly was the artist behind St. Louis’ popular City Museum. His body was found in September 2011 inside the cab of a bulldozer that appeared to tumble down a hill where he was building a 55-acre industrial playground.

Giovanna Cassilly complained that police failed to examine her husband’s death in light of incidents that took place before and after. Her attorney says he and his client are cooperating with law enforcement inquiries.

But a police spokeswoman says there’s no active investigation into the incident.

Information from: St. Louis Post-Dispatch,

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