Baby Lisa Irwin is still missing after a week since her parents last reported seeing her, and Kansas City police have re-enacted how the abduction could have taken place in the family home.

Investigators in the case of the missing 10-month-old Missouri girl on the weekend climbed through a window that parents Jeremy Irwin and Deborah Bradley said was interfered with on the night the baby went missing.

Jeremy Irwin and Deborah Bradley reported their daughter missing on Tuesday after her father returned home from work. They said someone likely came into the house while Bradley was sleeping and took the baby.

Investigators have said they have no solid leads or suspects in the missing baby case, even though they have been conducting a massive search for Lisa Irwin for about a week now.

Police spokesman Capt. Steve Young told The Associated Press that detectives have been checking out leads but they are at the mercy of the next good idea.

We're trying everything we can, Young said. We're trying every idea that we can.

On Saturday, police were investigating two new leads into missing baby Lisa Irwin. Her parents also said they were establishing a monetary reward with hopes that it would bring in more information.

Reports are that police questions a teenage neighbor of Bradley and Irwin on Friday. Forensic experts also took a DNA sample, a source told ABC News. The neighbor was allegedly at the Irwin home the day baby Lisa vanished, and also allegedly knew the access code to the family's garage.

Bradley also told The AP that police accused her of being involved in her daughter's disappearance after she failed a lie detector test.

They said I failed (a polygraph test), Bradley has said. And I continued to say that's not possible because I don't know where she's at and I did not do this.

A retired FBI Agent Jeff Lanza has told FOX 4 that failing a polygraph test doesn't prove guilt.

If you've registered some deception, that's an indicator that you're not telling the truth, Lanza told FOX 4. However, it doesn't mean you're guilty. It's just an indication that you're deceptive about a particular question or questions on the polygraph exam.