WILL BE BROUGHT TO JUSTICE. POLICE SAY THE TWO PERSONS OF INTEREST IN HER DISAPPEARANCE WILL BE CHARGED IN HER MURDER. BRITISH POLICE HAVE LAUNCHED A MURDER INVESTIGATION AFTER DOZENS OF PEOPLE WERE FOUND DEAD IN THE BACK OF A SEMI TRUCK. CINDY PALM HAS THE DETAILS FROM LONDON. PARAMEDICS SPOTTED THE TRUCK ON AN INDUSTRIAL SITE IN THE COUNTY OF ESSEX ABOUT 25 MILES FROM CENTRAL LONDON. SADLY, ALL 39 PEOPLE INSIDE THE CONTAINER HAVE DIED. Reporter: POLICE SAY ALL THE VICTIMS WERE ADULTS, EXCEPT FROM ONE TEENAGER. WE HAVE NOT IDENTIFIED WHERE THE VICTIMS ARE FROM OR THEIR IDENTITIES. WE ANTICIPATE THIS COULD BE LENGTHY. Reporter: AUTHORITIES BELIEVE THE TRUCK TRAVELED FROM BELGIUM AND ENTERED THE UK ON SATURDAY FOR A PORT IN EASTERN ENGLAND. POLICE ARRESTED THE 25-YEAR-OLD DRIVER ON SUSPICION OF MURDER. THIS IS AN UNIMAGINABLE TRAGEDY AND TRULY HEARTBREAKING. ANOTHER THOUGHTS AND PRAYERS OF ALL MEMBERS ARE WITH THOSE WHO LOST THEIR LIVES. AND FOR LOVED ONES. THE BODIES WERE CRAMMED INSIDE THE TRUCK, LEADING TO QUESTIONS ABOUT WHETHER THE VICTIMS WERE SMUGGLED IN. IF IT TRANSPIRES THIS WAS A CASE OF HUMAN TRAFFICKING GONE HORRIBLY WRONG, THE QUESTION NEEDS TO BE ASKED WHY PEOPLE FEEL THAT THEY HAVE TO SUBMIT THEMSELVES TO TRAFFICKING. Reporter: THERE HAVE BEEN SIMILAR TRAGEDIES BEFORE. 20 YEARS AGO, 58 CHINESE MIGRANTS SUFFOCATED IN A TRUCK IN SOUTHEASTERN ENGLAND. THEY WERE SEARED IN A CONTAINER