(WHAS11) -- A man involved in the deadly Indianapolis house explosion has been charged with plotting to have a witness in the case killed.
Mark Leonard, his girlfriend, Monserrate Shirley and his brother, Bob Leonard are awaiting trial in the November 10 blast.
A young couple was killed and 33 homes were damaged so badly they had to be demolished.
Investivators say the three people intentionally created the gas explosion at Shirley’s home in hopes of collecting insurance money.
Authorities say a jail guard overheard a phone call in which Mark Leonard plottted to kill a witness who could testify against him.