Note: This timeline is under construction. If you know of an event needing to be added, please email us.

Wednesday, March 21, 2007: Theresa Parker leaves the house of her sister, Christina Hall, at approximately 9:30pm, headed to her new Fort Oglethorpe apartment. This is the last time anyone has reported seeing Theresa Parker alive.

Saturday, March 24, 2007: Theresa's mother contacts the Walker County sheriff's office to report her daughter is missing. Officers find Theresa's SUV parked at the Cordell Road home she shares with husband Sam Parker, a LaFayette, Georgia police officer.

Sunday, March 25, 2007: Walker County Sheriff Steve Wilson makes an urgent appeal through the media for information on Theresa Parker's whereabouts.

Monday, March 26, 2007: After five days off, Theresa Parker fails to show up at 7pm for her nightside shift as a Walker County 911 Supervisor. Also this week, Sam Parker checks himself into a psychiatric facility.

Tuesday, March 27, 2007: 100 trained searchers, including cadaver dogs and cave rescue teams scour the woods around the Cordell Avenue home of Sam and Theresa Parker. Their search yields no clues.

Thursday, March 29, 2007: The NewsChannel 9 investigative team uncovers Sam Parker spent 10 days in a Florida psychiatric hospital after a volatile evening with his wife several years ago. Records from the Georgia P.O.S.T. Council show Parker fired a .38 handgun into the air outside a restaurant and told his wife he wanted to blow his brains out with her handcuffed to him. Also on this day, investigators disclose they tracked Theresa Parker's cell phone to south Walker County, but had not found the missing dispatcher, or her mobile phone.

Friday, March 30, 2007: The Chattooga County, GA, sheriff confirms to NewsChannel 9 that his officers joined agents in searching the Trion home of Sam Parker's deceased parents, where Sam Parker had recently been staying.

Saturday, March 31, 2007: More than 225 volunteers spend the day searching by foot across the south end of Walker County and find nothing related to Theresa Parker's disappearance.

Monday, April 2, 2007: The Georgia Bureau of Investigation names Theresa Parker's husband, Sam Parker, as a "person of interest." To date, Sam Parker is the only person named as a potential suspect in the GBI investigation.

Tuesday, April 3, 2007: GBI agents arrest LaFayette police Lieutenant Ben Chaffin, charging him with giving a false statement when detectives questioned him in the disappearance of Theresa Parker.

The week of April 9, 2007: The NewsChannel 9 Investigative team uncovers warrant documents showing Sam Parker gave consent for officers to search his house on two seperate occasions. Agents searched the house a third time while Sam Parker was hospitalized for an unknown psychiatric condition. In sworn testimony to get a warrant for the third search, the lead agent says other LaFayette police officers heard Sam Parker say he "knows how to get rid of a body where no one would be able to find it."

Friday, April 13, 2007: LaFayette police chief Tommy Freeman announces he fired Sam Parker after finding the explosive C-4 in his department locker. That night, Parker threatens to kill himself. Sheriff Steve Wilson says a rifle and pistol are removed from the Parkers' house and Sam Parker is turned over to a family doctor's care.

Monday, April 23, 2007: The family of Theresa Parker establish the "Theresa Parker Fund" at bank of LaFayette to help cover costs of searching for Theresa and to boost the discovery award, now at $2,000.

Thursday, April 26, 2007: Friends and family of missing 9-1-1 operator Theresa Parker hold a candlelight vigil outside the Walker County 911 center in Rock Spring, Georgia.

Friday, April 27, 2007: District Attorney Leigh Patterson of Floyd County, Georgia, is appointed to handle the Theresa Parker case, instructing investigators not to comment on the case unless there's an arrest or until Theresa Parker's body is found. The NewsChannel 9 Investigative Team discovers a letter written by Walker County District Attorney Buzz Franklin addressed to the Georgia Attorney General, recusing Franklin's office from the case. In the letter, Franklin tells the state Attorney General that "evidence suggests Theresa Parker may have been killed by Sam Parker although no body has been found."

Monday, April 30, 2007: Walker County Sheriff Steve Wilson announces the creation of a hotline to glean information about the disappearance of Theresa Parker. 706-639-CALL or 706-639-2255. Tipsters do not have to reveal their identities.

Monday, May 21, 2007: It's been two months since Theresa Parker disappeared. Her family holds a fundraiser barbeque dinner at the Walker County Agricultural Center, boosting the reward fund to $5400.

Wednesday, May 23, 2007: Atlanta television station WAGA airs a one-on-one interview with Sam Parker. Parker agreed to do the interview on the condition that no excerpts would be given to any Chattanooga television stations.

Friday, May 25, 2007: GBI agents return to the house of Sam and Theresa Parker for a fourth search. This time, they bring the FBI's Evidence Response Team. Agents spend hours pouring over potential evidence inside and around the house on Cordell Road. Meanwhile, the NewsChannel 9 investigative team uncovered paperwork that shows agents found drops of human blood in the back of Theresa Parker's SUV.

Saturday, June 2, 2007: The Walker County Sheriff's department recruits volunteers for another ground search, this time focusing on the Ridgeway Community, a 200 acre area in south Walker County, where a cell tower recorded the last "pings" from Theresa Parker's mobile phone. The search yields nothing.