“When a person disappears without a trace, often the most critical information is hidden in their actions and words in the days before they vanished,” says the narrator of ID Channel’s TV series ‘Disappeared‘.

In the case of Stacey Nicole English, the 36-year-old Buckhead woman who went missing on Dec. 26, 2011, her last actions and words may hold the key to her disappearance.

According to her family, English was acting “out of character” and talking about the end of the world in the days leading up to her disappearance. She is on medication and she was previously hospitalized following a suicide attempt, according to the police report.

Channel 2 Action News reporter Erin Coleman spoke by phone with the last person to see English alive.

Atlanta police named Robert Kirk a ‘person of interest’ in the case. He was visiting English over the holidays when the two got into an argument on Dec. 26. English reportedly threw Kirk out of her apartment that day.

“(I) heard about the reports and it sent a tingle through me,” Kirk told Coleman, according to WSBTV.com.

Kirk said he is praying for English’s safety and that the situation is “crazy.”

Kirk also spoke with a reporter from The Atlanta Journal-Constitution in a phone interview today. “I don’t know what’s going on. All I know is, I’ve been speaking with [authorities] for a week,” he said.

Kirk declined to say anything more, referring a reporter’s questions to his attorney Scott Rosenblum.

English worked at Sun Trust Bank and lived in a condo off Lenox Road in Buckhead for 4 years. She left behind her cellphone, iPad and keys, according to Channel 2 Action News.

English’s car, a White Volvo, was found abandoned with the engine running in a community center parking lot in southwest Atlanta on Dec. 27. But police didn’t put the pieces of the puzzle together until Thursday.

Local police and the FBI have stepped up their efforts to find English now that she’s headline news in Atlanta. K9 units are searching the area around the Aaron’s Amphitheater at Lakewood where her car was found.

English’s mother, Cindy Jamison, told the AJC Friday’s search should have taken place earlier.

“It’s very troubling it took this long,” Jamison said.