Investigation into Indy home explosion could last years
Investigators must analyze thousands of tiny pieces of evidence
The Associated Press
INDIANAPOLIS — The investigation into an explosion that killed an Indianapolis couple and decimated their neighborhood is a "painstaking" process with no timetable for a resolution, a prosecutor said Monday.
Marion County Prosecutor Terry Curry said police are conducting interviews based on input from the public as investigators continue to seek the cause of the Nov. 10 blast that killed Jennifer and John Longworth. Authorities have said they believe the explosion was intentional and caused by natural gas but have released no other details.
"Everyone anticipated this would be a painstaking and deliberative process," Curry told The Associated Press on Monday.
The explosion caused an estimated $4.4 million in structural damage and scattered debris throughout the neighborhood. Thirty-three badly damaged homes are slated to be demolished.
Experts say explosions and arson cases can take years to close. Nationally, less than 20 percent of 43,412 arsons ended in arrests in 2011, according to the FBI.
Peter Beering, an Indianapolis terrorism consultant and former prosecutor who specialized in arson, told The Indianapolis Star such investigations are difficult.
"First you have to prove what happened. Then comes the whodunit part," he said.
Investigators will have to analyze thousands of pieces of evidence, and even the smallest item can be a vital clue.
"The assumption people make is that an explosion destroys everything," Beering said. "That's far from the case.
"It's all about looking at the smithereens."
Police in 1989 spent more than a year investigating a pipe bomb that exploded in an Indianapolis Kmart store, injuring a 5-year-old girl, before linking it to a knife and screwdriver found in the trunk of a Noblesville teenager's car.
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