ther ▁Gray son ▁S inc la ir ▁( Christ opher ▁Vill iers ). ▁Matthew ▁and ▁P erd ita ' s ▁relationship ▁helped ▁view ers ▁to ▁relate ▁to ▁Matthew ' s ▁more ▁rom antic ▁side . ▁His ▁more ▁vulner able ▁side ▁was ▁also ▁expl ored ▁through ▁his ▁relationship ▁with ▁f ian c ée ▁Anna ▁De ▁Sou za ▁( Em ma ▁Dav ies ). ▁In ▁a ▁story line ▁that ▁saw ▁Matthew ▁revert ▁to ▁his ▁old ▁r uth less ▁self ▁after ▁he ▁with h eld ▁Anna ' s ▁father ▁Donald ▁De ▁Sou za ' s ▁( Michael ▁Jay ston ) ▁p ills ▁would ▁later ▁lead ▁to ▁the ▁character ' s ▁dem ise ▁and ▁fatal ▁come upp ance ▁for ▁his ▁past ▁c unning ▁actions . ▁ ▁Who ▁Kil led ▁Tom ▁King ? ▁On ▁ 8 ▁August ▁ 2 0 0 6 ▁it ▁was ▁announced ▁that ▁Ken ▁F arr ington , ▁who ▁played ▁Matthew ' s ▁on screen ▁father ▁Tom , ▁had ▁quit . ▁Produ cers ▁announced ▁that ▁the ▁character ▁of ▁Tom ▁King ▁would ▁be ▁killed ▁off ▁in ▁a ▁dram atic ▁wh od unit ? ▁story line . ▁It ▁was ▁later ▁revealed ▁that ▁ten ▁suspect s ▁for ▁the ▁murder ▁had ▁been ▁revealed , ▁and ▁that ▁Matthew ▁and ▁his ▁brothers ▁were ▁among ▁the ▁ten ▁suspect s . ▁The ▁story line ▁length ened ▁out ▁from ▁Tom ' s ▁murder ▁on ▁his ▁wed ding ▁day ▁on ▁ 2 5 ▁December ▁ 2 0 0 6 ▁before ▁cul min ating ▁in ▁the ▁k iller ▁being ▁revealed ▁on ▁ 1 7 ▁May ▁