Franklin police say they are not ready to divulge more information about the search for 70-year-old Sandra Eckert.She disappeared three weeks ago. Investigators and state agents from the crime lab were at a home belonging to Eckert and her husband last Thursday to execute a search warrant.Wes Eckert told WISN 12 police seized computers, cellphones and even his checkbook and mail.He said police used at least one dog in the search of the house and property.Wes Eckert said investigators seized his antique Model A car because he was told the dog got a hit on the car.Sandra Eckert was last seen leaving the home at about 11 p.m. on March 26.Her vehicle, a gray 2005 Dodge Stratus with the Wisconsin license plate 319LGT, was also missing.Wes Eckert said she left their home after an argument.Franklin police said the Dodge was spotted driving around Muskego a few hours after Sandra Eckert disappeared but hasn't been seen since.Neither has Sandra.Wes Eckert told WISN 12 Friday when investigators served the search warrant, it said it was for a suspected homicide investigation.Police took him into custody while they searched the couple's home because he said he had an antique gun on the wall and he's a convicted felon for a 1970s financial crime so he isn't allowed to have firearms. Investigators said Sandra Eckert's social media accounts, cellphone and bank accounts have been inactive since her disappearance. Wes Eckert was released and hasn't been charged. He said he believes she's still out there and he wanted to urge her to come home for the sake of the family, who is worried about her. Wes Eckert said he was made to feel like a suspect in the case.The family posted a $10,000 reward for any information that leads to finding Sandra Eckert. No other details have been released.Investigators asked anyone with information to call the Franklin Police Department.