The decree adjudging custody of their son Wesley was modified twice. The second modification was sustained on appeal, In re Marriage of LaFon, 733 S.W.2d 51 (Mo.App. 1987), when Jeanette moved from Missouri to Colorado. In June of 1988 Jeanette, now married to Richard Liles, returned from Colorado to Missouri.
The familiar standard of review found in Murphy v. Carron, 536 S.W.2d 30, 32 (Mo. banc 1976), is applicable to this appeal of a judgment granting modification of the custody provisions of a divorce decree. In re Marriage of LaFon, 733 S.W.2d 51, 52 (Mo.App. 1987). Furthermore, "the appellate court defers to the trial court on factual issues because it is in a better position ... to judge the credibility of witnesses ... As the trier of fact, the trial court has leave to believe or disbelieve all, part or none of the testimony of any witness."