Dalton, who police believe had been missing for couple weeks, was found dead in a dry creek bed on Sunday afternoon. Her body was badly decomposed.
Reeve said officers are looking for a third person believed to be involved in the crime.
The Wilbraham Road home in Middletown, where police say Leslie Dalton overdosed.
In the Middletown City Jail booking report, Robinson said she moved Dalton’s body because she did not want to call the police because she may get a nuisance letter from the city about the residence.
Robinson and Swenson are scheduled to be in Middletown Municipal Court on Monday for a preliminary hearing. They remain housed in the Middletown City Jail.
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