SPOKANE, Wash.—A man suspected of opening fire inside a grocery store in Washington state, killing one person and injuring another, was a suspected shoplifter who appeared to be battling mental illness, according to court documents. Aaron Christopher Kelly, 39, was arrested late Monday night in a vehicle on Interstate 90 near Spokane, and made his first court appearance on Tuesday afternoon on charges of first-degree murder and first-degree attempted murder, Richland police said. Kelly, was arrested on the freeway between the town of Sprague and Spokane, which is about two hours northeast of Richland, police said. Kelly made his initial court appearance Tuesday in Benton County Superior Court, where bail was set at $1 million and he declined to enter a plea. Arraignment was set for Feb. 23. His attorney, public defender Mike Vander Sys, declined to comment on the case. Kelly was identified by police earlier Monday as the …