▁Two ▁ph ones ▁inside ▁the ▁D NC ▁headquarters ' ▁offices ▁were ▁said ▁to ▁have ▁been ▁wire t apped . ▁One ▁was ▁Robert ▁Sp encer ▁Oliver ' s ▁phone . ▁At ▁the ▁time , ▁Oliver ▁was ▁working ▁as ▁the ▁executive ▁director ▁of ▁the ▁Association ▁of ▁State ▁Democratic ▁Chair men . ▁The ▁other ▁phone ▁belonged ▁to ▁D NC ▁chairman ▁Larry ▁O ' B rien . ▁The ▁F BI ▁found ▁no ▁evidence ▁that ▁O ' B rien ' s ▁phone ▁was ▁bug ged ; ▁however , ▁it ▁was ▁determined ▁that ▁an ▁effective ▁listening ▁device ▁was ▁installed ▁in ▁Oliver ' s ▁phone . ▁While ▁successful ▁with ▁installing ▁the ▁listening ▁devices , ▁the ▁Committee ▁agents ▁soon ▁determined ▁that ▁they ▁needed ▁rep airs . ▁They ▁pl otted ▁a ▁second ▁" burg l ary " ▁in ▁order ▁to ▁take ▁care ▁of ▁the ▁situation . ▁ ▁S omet ime ▁after ▁mid night ▁on ▁Saturday , ▁June ▁ 1 7 , ▁ 1 9 7 2 , ▁Water gate ▁Complex ▁security ▁guard ▁Frank ▁Will s ▁noticed ▁t ape ▁covering ▁the ▁l atch es ▁on ▁some ▁of ▁the ▁complex ' s ▁doors ▁leading ▁from ▁the ▁under ground ▁par king ▁gar age ▁to ▁several ▁offices , ▁which ▁allowed ▁the ▁doors ▁to ▁close ▁but ▁stay ▁un locked . ▁He ▁removed ▁the ▁t ape , ▁bel ieving ▁it ▁was ▁nothing . ▁When ▁he ▁returned ▁a ▁short ▁time ▁later ▁and ▁discovered ▁that ▁someone ▁had ▁ret aped ▁the ▁lo cks , ▁he ▁called ▁the ▁police . ▁Res pond ing ▁to ▁the ▁call ▁was ▁an ▁un mark ed ▁car