Rule 106. Remainder of or related acts, writings, or statements.

(a) When part of an act, declaration, conversation, writing or recorded statement or series thereof is introduced by a party:

(1) an adverse party may require the introduction at that time of any other part of such item or series thereof which ought in fairness to be considered at that time; or

(2) an adverse party may inquire into or introduce any other part of such item of evidence or series thereof.

(b) This rule does not limit the right of any party to cross-examine or further develop as part of the case matters covered by this rule.