To modify an existing custody arrangement, there must be a showing of a change in circumstances such that modification is required to ensure the best interests of the child (see Matter of Aronowich-Culhane v Fournier, 94 AD3d 1114 [2012]; Matter of Sparacio v Fitzgerald, 73 AD3d 790 [2010]; Matter of Russell v Russell, 72 AD3d 973 [2010]; Trinagel v Boyar, 70 AD3d 816 [2010]). The best interests of the child are determined by a review of the totality of the circumstances (see Eschbach v Eschbach, 56 NY2d 167, 171 [1982]; Matter of Wakefield v Wakefield, 74 AD3d 1213 [2010]; Matter of Ross v Ross, 68 AD3d 878 [2009]). In deciding a motion to dismiss for failure to establish a prima facie case, the court must accept the petitioner’s evidence as true and afford the petitioner the benefit of every favorable inference that can reasonably be drawn therefrom (see Matter of Ramroop v Ramsagar, 74 AD3d 1208 [2010]; Matter of David WW. v Laureen QQ., 42 AD3d 685 [2007]; Matter of Kerwin v Kerwin, 39 AD3d 950 [2007]).
Here, accepting the father’s evidence as true and affording him the benefit of every favorable inference, the father presented sufficient prima facie evidence of a change of circumstances which might warrant modification of custody in the best
While forensic evaluations may not be needed in all custody determinations (see Matter of Gonzalez v Gonzalez, 15 AD3d 481 [2005]; Stern v Stern, 225 AD2d 540 [1996]), under the circumstances presented, and in light of allegations concerning the mother’s parental fitness and mental health, the Family Court should have ordered forensic evaluations in this case.
The parties’ remaining contentions are without merit. Skelos, J.E, Balkin, Leventhal and Cohen, JJ., concur.