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The couple was found dead in their after a home explosion in the 100 block of Waldheim Road in Mount Joy Township June 1, just before 6 p.m.
David Preston, 63, and his wife Victoria Preston, 60 were identified as the victims several days later, as Daily Voice previously reported.
David Preston was responsible for his wife's medication and police believe he increased the amounts of several medications--including fentanyl-- to toxic levels resulting in her death prior to the explosion.
David then self-immolated-- using an accelerant to ignite himself and his home.
He died in the fire.
No additional information has been released.
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