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The parents of missing Missouri mother Jacque Sue Waller said Monday they are hoping for a break in the case this week, four days after Waller's father said "blood evidence" was recovered from the home of his daughter's estranged husband.
Jacque, a 39-year-old mother of triplets, was last seen June 1. Her husband, James "Clay" Waller, is the only "person of interest" named in the case.
Clay Waller is said to have told investigators that his wife walked away from his home in Jackson, Mo., on June 1 after the two quarreled following a divorce hearing that same day. He has denied involvement in his wife's disappearance, saying the police are conducting a "witch hunt" in investigating him.
Jacque's mother, Ruby Rawson, said Monday that she's confident a break in the case will happen soon.
"There’s so many new leads coming in," Rawson told Fox News. "And they’re good ones."
Rawson's remarks came four days after her husband, Stan Rawson, reportedly said blood evidence was discovered inside Clay Waller's home.
"I've seen it," Rawson, a former police officer, told the Southeast Missourian. "But that's all I'm going to confirm. There's a ton of evidence. ... Just suffice to say there is blood evidence. I saw the evidence bags."
Hundreds of volunteers scoured woods and fields in Cape Girardeau County over the weekend, and more searches for Jacque are planned for this week. The search on Saturday included 140 volunteers -- some on horseback -- as well as several cadaver dogs.
Jackson Police Chief James Humphreys told FoxNews.com that the searches so far haven't yielded any clues.
He also would not confirm Stan Rawson's claim about blood evidence found in Waller's home, saying only, "Of course we have things in this case that are being looked at."
Jacque Waller, who has 5-year-old triplets, drove to her estranged husband's home at around 4 p.m. on June 1 to pick up her son, Maddox.
But the child was not at the home when Waller arrived, and family members say they think Clay Waller, a former police officer, lured her to the home to kill her.
Police found the missing woman's car on June 2 abandoned along a Missouri highway. Her purse, keys and cellphone were missing from the vehicle.
Humphreys said authorities suspect foul play and believe it may have been a scene staged to look like an abduction.
Anyone with information on Jacque Sue Waller is urged to call the Jackson Police Department at 573-243-3151.
FoxNews.com's Cristina Corbin contributed to this report