关于从句的时态Where I get hazy is where the cleaning woman shows up

关于从句的时态Where I get hazy is where the cleaning woman shows up the following morning and finds your wife in bed,riddled with .38 caliber bullets.意思是“我感到疑惑的是,第二天早上,女仆发现你妻子躺在床上,被.38的子弹打成了筛子”.其中show up和find明明是过去的动作 ,为什么用一般现在时?