BROUGHT THERE, AND THEY INTEND TO COMPLY FULLY WITH THE DOJ REVIEW. >>> WE TURN NOW TO THAT DRAMATIC NEW TESTIMONY IN THE TRIAL OF THE ONCE PROMINENT SOUTH CAROLINA ATTORNEY ALEX MURDAUGH. ACCUSED OF MURDERING HIS WIFE AND SON. THE DEFENSE TODAY GRILLED AN INVESTIGATOR OF WHAT SHE DID AND DID NOT FIND AT THE HOUSE THE DAY AFTER THE MURDERS. AND NEW QUESTIONS TONIGHT THE PROSECUTION RAISING ABOUT A PIECE OF VIDEO FROM THE SAME DAY OF THE MURDERS. HERE'S EVA PILGRIM. >> Reporter: TONIGHT, THE DEFENSE TEAM FOR ALEX MURDAUGH PRESSING A STATE INVESTIGATOR TO ACKNOWLEDGE WHAT SHE DIDN'T FIND WHEN SHE SEARCHED THE MURDAUGH HOME, THE DAY AFTER PAUL AND MAGGIE MURDAUGH WERE SHOT TO DEATH AT THEIR DOG KENNEL ON THE FAMILY PROPERTY. >> YOU'RE TELLING THIS JURY YOU SAW NO EVIDENCE OF BLOOD, TISSUE, OR ANYTHING THAT WOULD INDICATE SOMEBODY HAD SHOWERED OR WASHED OFF OR BATHED TO REMOVE EVIDENCE OF A CRIME FROM THEM? IS THAT WHAT YOU'RE TELLING US? >> YES, SIR. THERE WAS NOTHING VISIBLE TO ME. >> Reporter: INVESTIGATORS HAD A SEARCH WARRANT, BUT DIDN'T EXECUTE IT. INSTEAD, THEY WERE ESCORTED AROUND THE PROPERTY BY THE FAMILY'S LAWYER AND ONE OF MURDAUGH'S BROTHERS. >> MULTIPLE FAMILY, CLOSE FRIENDS, WERE AT THE HOUSE. >> AND YOU DIDN'T WANT TO HAVE TO ASK ALL THOSE PEOPLE TO LEAVE? >> SOME OF THEM WERE VERY UPSET. >> Reporter: IT COMES AFTER THIS NEWLY RELEASED SNAPCHAT VIDEO SHOWS ALEX MURDAUGH PLANTING TREES ON THE PROPERTY ON THE SAME DAY AS THE MURDERS, WEARING A DIFFERENT OUTFIT THAN THE CLEAN WHITE SHIRT AND SHORTS HE'S WEARING WHEN POLICE ARRIVED LATER AT THE GRISLY SCENE. MURDAUGH TELLING THEM HE TOUCHED THE BODIES BEFORE CALLING FOR HELP. >> AND I RAN OVER TO MAGGIE AND -- ACTUALLY, I THINK I TRIED TO TURN PAUL OVER FIRST. >> DID YOU TOUCH MAGGIE AT ALL? >> I DID. I TOUCHED THEM BOTH. >> Reporter: TONIGHT, THE JUDGE IS WEIGHING WHETHER JURORS WILL HEAR EVIDENCE ABOUT ALEX MURDAUGH'S ALLEGED FINANCIAL CRIMES AS A POTENTIAL MOTIVE. WITH THE JURY OUT OF THE ROOM, THE CFO FOR HIS LAW FIRM DESCRIBING HOW MURDAUGH ALLEGEDLY STOLE MILLIONS OF DOLLARS FROM HIS CLIENTS AND LAW PARTNERS. SHE SAYS SHE CONFRONTED HIM THE DAY OF THE MURDERS. >> HE TURNED AND LOOKED AT ME WHEN I CAME UP AND SAID, "WHAT DO YOU NEED NOW?" AND GAVE ME A VERY DIRTY LOOK. I TOLD HIM THAT I HAD REASON TO BELIEVE THAT HE HAD RECEIVED THE FUNDS HIMSELF AND THAT I NEEDED PROOF THAT HE HAD NOT. >> Reporter: AND THAT MOMENT JURORS DIDN'T SEE TODAY COULD BE VERY SIGNIFICANT, IF THE JUDGE ALLOWS IT TO BE PRESENTED TO THE JURY.