A timeline of the Jacque Waller disappearance investigation

The following items come from court documents and Southeast Missourian reporting of the case since Jacque Waller's June 1, 2011 disappearance.

May 29, 2011

* The Waller children stayed with their father at his home at 1121 Woodland in Jackson over Memorial Day weekend. Jacque picked up their two daughters, but agreed to allow their son to stay with his father for at least another night.

May 31, 2011

* Clay Waller and his son stayed at the residence of Waller's girlfriend, who lived in Illinois.

FILE - This undated file photo provided by Ruby Rawson shows Jacque Sue Waller, right, and her husband Clay Waller. Clay Waller, 41, was charged with first-degree murder in the death of Jacque on Monday, April 23, 2012, even though his estranged wife's body has not been found. (AP Photo/Ruby Rawson, File)

June 1, 2011

* The morning of June 1, 2011, Clay Waller returned to Cape Girardeau and left his son in the care of his girlfriend.

* At 3 p.m., Jacque and Clay Waller attended a meeting together at attorney Jeffrey Dix's office in Cape Girardeau to discuss filing court documents to begin divorce proceedings.

* At 3:50 p.m., Jacque spoke with her sister, Cheryl Brenneke, over the phone. She said she was on her way to Clay's home to pick up her son and would then return straight home to Ste. Genevieve County.

* At approximately 3:56 p.m., Jacque spoke with her boyfriend over the phone. The conversation lasted nine minutes and at the end she stated she was at Clay's residence.

* At 6 p.m., the owner of Clay's residence, a neighbor, observed Clay outside beside his red pickup truck.

* Multiple individuals reported seeing Jacque's Honda Pilot sill parked at Clay's residence at 8 p.m.

* Between 8:30 and 9 p.m., a family member drove to Clay's house in attempt to locate Jacque or Clay.

* At 9:45 p.m., the homeowner walked to Clay's home to check on him after receiving concerned calls from Jacque's mother, Ruby Rawson.

* Brenneke reported Jacque missing to the Jackson Police Department at 11:25 p.m.

* Clay called the Jackson Police Department just after midnight to report Jacque missing.

June 2, 2011

Police released this photo of Clay Waller's truck in a garage where it was being processed for evidence shortly after Jacque Waller's disappearance.

* The Cape Girardeau/Bollinger County Major Case Squad was activated in the early morning.

* Jacque's abandoned vehicle was located on the northbound shoulder of Interstate 55, approximately 40 yards north of the 104.8 mile marker.

* Officers executed a search warrant of the premises and vehicles located at 1121 Woodland Drive, where Clay had been living.

June 3, 2011

* The owners of the home where Clay was staying asked him to leave because of the investigation. Clay proceeds to clean the home saying he wanted to repay the family's generosity in letting him stay there.

Cheryl Brenneke, center, talks to friends during a prayer service for her sister, Jacque Sue Waller, at Anthem Blue Cross Blue Shield in Cape Girardeau on Saturday, June 4, 2011. Waller, a 39-year-old mother of three has been missing since Wednesday. (Kristin Eberts)

June 5, 2011

* The owner of 1121 Woodland Drive gave officers consent to search and process the house as needed for evidence collection following Clay's departure from the residence.

June 6, 2011

* Investigators searched Waller's residence and located blood spatter. DNA analysis confirmed the samples collected contained the same DNA profile as Jacque.

* Police name Clay as a person of interest in Jacque's disappearance.

June 9, 2011

* Two hundred people attend a prayer service for Jacque at Farmington High School in Farmington, Mo.

July 13, 2011

* Business cards belonging to Jacque are located along Highway 177 in Cape Girardeau County.

Around 100 people turned out Saturday, July 16, 2011 to search for Jacque Waller. Waller, the mother of triplets, has been missing since June 1. Saturday's 88 acre search in rural Cape Girardeau County included the Scott County search and rescue K-9 unit with 3 search dogs and five locals on horseback to search the thicker terrain. The K-9 unit volunteered their services in collaboration with Christy Dabis with the Cue Center for Missing Persons out of North Carolina. The volunteers were split into teams, each canvassing predetermined areas of interest. (Laura Simon)

July 16, 2011

Paula Martin of Jackson hikes through a wooded area northeast of Cape Girardeau Sunday, June 26, 2011 in search of her friend Jacque Waller. (Laura Simon)

Around 100 people turned out Saturday, July 16, 2011 to search for Jacque Waller. Waller, the mother of triplets, has been missing since June 1. Saturday's 88 acre search in rural Cape Girardeau County included the Scott County search and rescue K-9 unit with 3 search dogs and five locals on horseback to search the thicker terrain. The K-9 unit volunteered their services in collaboration with Christy Dabis with the Cue Center for Missing Persons out of North Carolina. The volunteers were split into teams, each canvassing predetermined areas of interest. (Laura Simon)

* More than 100 volunteers searched for Jacque on more than 90 acres of land in Cape Girardeau County.

July 29, 2011

* Clay is arrested on charges of stealing by taking money for a construction job and not doing the work and harassment charges for allegedly making a threat to a former friend over the phone.

Aug. 1, 2011

* A candlelight vigil is held at Blue Cross Blue Shield to mark two months since Jacque's disappearance.

Sept. 2, 2011

* Clay is charged in federal court with making an Internet threat against Brenneke.

Sept. 8, 2011

* A federal prosecutor says in court that Clay confessed to his father that he killed Jacque.

Sept. 22, 2011

* Cape Girardeau County Prosecuting Attorney Morley Swingle files a request to preserve testimony from Clay's father in anticipation of a future murder case.

Oct. 1, 2011

* A search for Jacque is conducted on a total of 200 acres near the Jackson city limits. A vigil is also held at Mineral Area College in Park Hills, Mo.

Oct. 3, 2011

Clay pleads guilty to federal Internet threat charge against Brenneke.

Nov. 3, 2011

Officials from the Jackson Police Department, sheriff's department and a member of the FBI Evidence Response Team canvass the hillside for evidence in the search for Jacque Waller along the southbound lane of Interstate 55 near mile marker 104 Thursday afternoon, November 3, 2011. Waller's vehicle was found abandoned June 2 along Interstate 55 near mile marker 104. Waller has been missing since June 1. (Laura Simon)

* A number of items including pieces of Jacque's purse, parts of cellular telephones, her driver's license and credit cards were discovered in a ravine on the southbound side of Interstate 55 in the approximate area across from where her vehicle had been abandoned.

Nov. 18, 2011

* Judge William Syler denies Swingle's application to preserve testimony from Clay's father.

Dec. 20, 2011

Ruby and Stan, right, Rawson and Lt. David James exit the Rush H. Limbaugh Sr. Federal Courthouse Tuesday afternoon, Jan. 3, 2011 after Clay Waller was sentenced to five years in a federal prison for threatening his sister-in-law on an Internet site. Waller is a suspect in the disappearance of the the Rawson's daughter, Jacque Waller, who has been missing since June. (Laura Simon)

* Clay's father dies in a nursing home, taking the chance to preserve his testimony about Clay's alleged confession to the grave.

Jan. 3, 2102

* Clay is sentenced to five years in a federal penitentiary for Internet threatening charges.

April 24, 2012

* Clay is charged with first-degree murder and two counts of tampering with evidence.