. ▁states , ▁including ▁Florida , ▁if ▁the ▁ch allen ger ▁of ▁a ▁will ▁is ▁able ▁to ▁establish ▁that ▁it ▁was ▁act ively ▁proc ured , ▁the ▁bur den ▁of ▁proof ▁sh ifts ▁to ▁the ▁person ▁seeking ▁to ▁u ph old ▁the ▁will ▁to ▁establish ▁that ▁the ▁will ▁is ▁not ▁the ▁product ▁of ▁und ue ▁influence . ▁However , ▁und ue ▁influence ▁is ▁not or iously ▁difficult ▁to ▁prove , ▁and ▁establish ing ▁the ▁someone ▁has ▁the ▁means , ▁mot ive ▁and ▁incl ination ▁to ▁ex ert ▁und ue ▁influence ▁is ▁not ▁enough ▁to ▁prove ▁that ▁the ▁person ▁in ▁fact ▁ex ert ed ▁such ▁influence ▁in ▁a ▁particular ▁case . ▁However , ▁att or ne ys ▁are ▁often ▁held ▁to ▁a ▁higher ▁standard ▁and ▁are ▁suspect ▁if ▁they ▁assist ▁in ▁draft ing ▁a ▁will ▁that ▁names ▁them ▁as ▁a ▁benef ici ary . ▁ ▁In ▁many ▁juris dict ions , ▁a ▁legal ▁pres umption ▁of ▁und ue ▁influence ▁ar ises ▁when ▁there ▁is ▁a ▁finding ▁of ▁a ▁confident ial ▁( or ▁fid u ci ary ) ▁relationship , ▁the ▁active ▁proc ure ment ▁of ▁the ▁will ▁by ▁the ▁benef ici ary ▁and ▁a ▁substantial ▁benefit ▁to ▁that ▁benef ici ary , ▁such ▁as ▁if ▁a ▁test ator ▁leaves ▁property ▁to ▁the ▁att orney ▁who ▁drew ▁up ▁the ▁will . ▁ ▁However , ▁that ▁is ▁dependent ▁on ▁the ▁circumstances ▁of ▁such ▁a ▁relationship ▁and ▁typically ▁the ▁bur den ▁is ▁initially ▁on ▁the ▁person ▁contest ing ▁to ▁show ▁und ue ▁influence . ▁Pro ving ▁und