睇文話個黑人無帶鎖匙, 死者就俾佢入屋 無太detail 講原因
Billingsley appeared as though he was having trouble getting into the building – as if he had forgotten his keys, the sources said.
LaPere opened the door and let Billingsley in, according to the document. The two can be seen on video having a conversation before getting into an elevator together, it says.