Charlie Sheen’s ex-wife Brooke Mueller has provided police with “anecdotal background” information as part of the investigation into Matthew Perry’s death. It was recently revealed the 46-year-old actress – who has 14-year-old twins Bob and Max with the former ‘Two and a Half Men’ actor – had been questioned “multiple” times by LAPD during their probe into the ‘Friends’ star’s untimely death in October, and had had her iPhone and laptop seized. Charlie’s lawyer has now spoken out to offer some context as to why Brooke, who is believed to have struck up a friendship with Matthew during one of t…