Here are the possible solutions for it's still open to investigation clue
Answer
Clue
Relevancy
activecase
Clue
It's still open to investigation
dentalexam
Clue
Open investigation?
raw
Clue
Still green, or still red
Definition
uncooked
sufjanstevens
Clue
Singer-songwriter who announced after his album "Michigan" that he would do one for every state...still...still...workin' on that one. Two down, 48 to go!