Three charged in Indianapolis explosion

[Kaleva]

11. It probably helped the investigation that these three were so dumb.

From the article linked to in the OP:

"The personal property insurance on the residence had been increased to a little over $300,000, Curry said."

Okay, that would raise suspicions right there.

And then there is this:

"On Nov. 9, the Leonards are alleged to have spoken with a Citizens Energy employee and asked various questions regarding gas, including questions about the differences between propane and natural gas, the role of the regulator in a house, and controlling the flow of natural gas, including how much gas it would take to fill a house."