Some things about Wayne Rigsby are suspicious.
When Jane told him to not trust anyone in law enforcement, he straightly understood, usually he plays bad at acting.
How did he knew about the cemetery.
Why did he throw the information to Abbot so quickly.
When he tried to seduce women on the Internet he only chose red ones.
He said to Kimball he will find a woman for him.
Every bit of information from wikis we got are only related to Relationships with Van Pelt(as if every one just care enough to see him bang her).