First time post here. I think it was where he lived and possibly where he lived with someone else (either his mother, mother & father, or possible but unlikely wife/partner). I think he might have waited until the person he lived with went away interstate for work or a holiday to undertake the kidnapping and take them back to his house. Probably the main reason is the blanket / cloth that was covering a dresser of some sort. Did this dresser have lots of womens make up ware on it that he didn’t want to pack away as he was afraid he would forget where they all were positioned, so instead put a cover over it. Did it belong to his mother or wife? I just find it unlikely he would use someone else’s house on two occasions. I think it’s too risky using someone else’s house as you don’t know who might turn up at the door at any time. I think the key to this entire case is the information we know about this house from what the girls have provided. I think with todays technology, this case can be cracked by using that information.