State police have made an arrest stemming from the death of a Rush Township man that occurred about 18 months ago.

Trooper James Cuttitta said Tammy Casserly, 38, of Mahanoy City, has been charged with tampering with or fabricating physical evidence and false reports to law enforcement authorities, in the death of Mark Ketusky, 52, of Barnesville.Ketusky's body was found on Feb. 23, 2010, about 1:36 p.m. inside his vehicle at the Mahanoy City Little League complex, which is located at the south end of Eighth Street.An autopsy revealed that Ketusky died of a single gunshot wound to the head. However, no firearm was found in the vehicle which led troopers to investigate it as a homicide.Mahanoy City police turned over the investigation to state police at Frackville.A Major Case Team was assembled by state police and began an investigation into the death with the help of Mahanoy City police and the Schuylkill County District Attorney's Office.Troopers learned that a firearm registered to Ketusky was unaccounted for.As the investigation progressed, information from interviews and additional investigative findings began to indicated that Ketusky's death may have resulted from a manner of suicide, Cuttitta said in a press release.Due to the absence of a firearm inside the vehicle at the time the body was discovered the investigation continued as a possible homicide.Through interviews Casserly was identified as a person who had numerous occasions of contact with Ketusky on Feb. 22, 2010.From reviewing interviews with Casserly and others, as well as recent laboratory analysis, Casserly was again interviewed on July 21.Cuttitta said during this interview Casserly admitted to being the person that removed the revolver from Ketusky's vehicle after his death.The charges against Casserly were filed on Friday, Aug. 5. Both charges are misdemeanors. No date for a preliminary hearing has been set.