In re Melissa F.

[¶ 1] Melissa F. and Taurus W. Sr. appeal from a judgment of the District Court (Portland, Powers, J. ) terminating their parental rights to the children pursuant to 22 M.R.S. § 4055(1)(A)(1)(a), (B)(2)(a), (b)(i)-(ii), (iv) (2017). The mother and father challenge the sufficiency of the evidence supporting the court's findings that they are parentally unfit and that termination of parental rights is in the best interests of the children. The mother further *351contends that the court (1) was barred by res judicata from taking evidence at the second termination hearing on issues litigated at the…