Inset: AP file photo; Background: Tim Hacker/Tribune

J.T. Ready

Mark Scarp

Mark J. Scarp is a contributing columnist for the Tribune. Reach him at mscarp1@cox.net.

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Tim Hacker/ Tribune

Gilbert Shooting

Gilbert officers work the scene of a shooting of four adults and a child, Wednesday, May 2, 2012 near Cooper and Warner Roads in Gilbert. [Tim Hacker/ Tribune]

Jim Hiott, Amber Mederos, Lily Mederos

In a photo from a Facebook page, Jim Hiott (left), Amber Mederos (right) and her 15-month-old daughter Lily, who were among the four shooting victims who authorities believe were shot and killed by J.T. Ready inside a Gilbert residence on Wednesday. Police believe that Ready also shot and killed his girlfriend, Lisa Mederos before turning the gun on himself.

Lily Mederos, Amber Mederos

In this Facebook photo, Amber Mederos (right) with her 15-month-old daughter, Lily, who were among the four shooting victims inside a Gilbert home on Tuesday in which police believe were killed by outspoken illegal immigration vigilante J.T. Ready before turning the gun on himself.