DENVER -- He's under investigation in the disappearance of at least four people and now his wife is speaking out about the circumstances surrounding her own teenage daughter's disappearance.

Scott Kimball is convicted of forgery and being a felon with a gun. But the FBI fears he may have done much worse.

He is currently in federal custody, accused of violating conditions of supervised release where he was to help the FBI with a drug case. That case lead the FBI to several strange disappearances from January 2003 through September 2004.

The FBI believes all four of the people who disappeared -- three women and one man -- all have ties to Kimball and was last seen with him.

The missing include:

Leann Emry, 24, of Aurora. She was last seen near Moab, Utah, on Jan. 30, 2003.

Jennifer Marcum, 25, of Denver. She was last seen Feb. 17, 2003.

Kaysi McLeod, 19, of Lafayette. She was last seen Aug. 23, 2003.

Terry Kimball, 60, who was from Georgia but may have been living with Scott Kimball in Colorado shortly before he vanished on Sept. 1, 2004.

Kaysi McLeod is the daughter of Lori McLeod -- Kimball's wife.

Lori McLeod is still married to Kimball but is trying to get her marriage annulled.

McLeod said her husband's life was a lot like a ball of string. As you unraveled the string, there was another layer and another layer and that string was just an unending lie, she said. For example, she later learned that she didn't know the true birthday of the man she was with for four years.

She said she fell in love with him because he was very authoritative and came across as a "fixer."

When her daughter disappeared, she thought Kaysi had run away. It was only after her husband was suspected in several disappearances that she began questioning his past. And even then he was convincing as he would try to talk her out of her suspicions.

"He said that I would feel bad when Kaysi walked through my door again if I listened to anything that the FBI was telling me," McLeod said.

She said she went to see Kimball in prison soon after his March 2006 arrest, and even then he had a believable story.

"I wanted him to convince me that any of the thoughts I was having weren't real," McLeod said. "There were definitely times where I just needed to look at him and have him tell me that I was losing it. I would prefer to think that I was losing my mind (rather) than my daughter."

She said he inspired faith from his friends because he was "scary smart and very believable." But she learned later that "nothing that came out of his mouth was the truth."

"It really does feel like a bad movie ... but unfortunately, it's very real," McLeod said. "Obviously, it feels like somebody else's life."

In a search warrant affidavit released last month, the FBI makes a case that Kimball could be a suspect in various crimes, including kidnapping, murder for hire, and federal witness tampering.

He will be sentenced in August for the weapons charge.

The FBI has told McLeod that her daughter's remains have been identified in Jackson County but won't be retrieved until the snow melts.

Besides the four missing people, the FBI released pictures of three women they want to know more about. The FBI doesn't know who they are, if they are alive and where their pictures were taken. The FBI would only say that their pictures have surfaced as part of the Kimball investigation.

If you have any information about the three women, contact the FBI.