we hope to be able to bring this case to a conclusion. >> reporter: when pam butler first went missingick confronted her ex-boyfriend with what he saw on the surveillance system and other troubling behavior. >> he denied having any involvement in pam's missing, but in talking to him he actually talked in past tense most of the time, you know, i guess i'll never see her again, you know. i wish i could see her again. >> reporter: no one has heard from pam butler in the last four years, although police say they have had reports from people who claim to have seen her. derrick butler, though, has no doubt his sister did not disappear on her own. d.c. police questioned butler's ex-boyfriend at least twice and have searched his home. he still lives in the washington area. tomorrow afternoon friends and family will gather on fourth street northwest in front of pam's old house where they will hold a vigil in her memory. in the fox 5 newsroom i'm paul wagner. >>> police in frederick county looking for a second vehicle in connection with a jewelry store robbery. the incident happened february 5th

. >> reporter: with each passing year, the hope of finding 47- year-old pam butler grows dim. but on a cold day, family and friends continue to gather in front of pamela's former home each year and pray. >> i wonder where, when, or why somebody did this to her. >> reporter: police have long suspected pam's ex-boyfriend, but there has never been enough evidence to charge him. family says he backed out of taking a lie detector test. the home has undertaken a makeover and a new homeowner but the mystery remains. pamela's disappearance is technically considered a missing person case but d.c. police have long believed pam was murdered. >> most adults with very steady returns do not just go missing. >> reporter: pam had an extensive surveillance system which captured her that night. she picked up her mail, went inside and hasn't been seen since. her brother claims cameras capture her ex. >> she's seen going in the house first. he's seen going in shortly after her. >> reporter: another mother haunted by her daughter's disappearance 2 1/2 years ago came to the candlelight vigil, cryin

we hope to be able to bring this case to a conclusion. >> reporter: when pam butler first went missing, derrick confronted her ex-boyfriend with what he saw on the surveillance system. and other troubling behavior. >> he denied having any involvement in pam's missing. but in talking to him, he actually talked in past tense most of the time you know. i guess i'll just -- i'll never see her again. you know. i wish i could see her again. >> reporter: no one has heard from pam butler in the last four years although police say they have had reports from people who claim to have seen her. derrick butler though has no doubt his sister did not disappear on her own. police have questioned butler's ex-boyfriend at least twice and searched his home. he's still living in the washington area. tomorrow afternoon, friends and family will gather on fourth street northwest in front of pam's old house and hold a vigil in her memory. >> like the family investigators are hoping for a resolution to this. paul wagner, thank you. >>> a man u.s. marshals have been looking for since last november has now been

santa cruz holding a the two officer killed -- baker and detective elizabeth butler. >> pam: meanwhile cruz police department. flags were hung at half mast. officers from the san jose police department drove to santa cruz -- earlier this morning. >> that is what we do. to protect our citizens protested this what comes with us. it is tragic and unfortunate and we are praying for the officers of lost their lives. anything that we can do as a city to support the santa cruz that is what we will do well. >> they wanted to pay their respects to the two officers that's what we'll do until yesterday, santa cruz chief called yesterday's the history of the department. stay with kron 4 as we continue to track the latest set for tomorrow morning kron4 24/7 news channel. comcast 193 starting at 11- 30. nearly two dozen homes and a number of cars were damaged main ruptured in san francisco's inner parkside morning. >> this is new video of the clean up---you are looking at the new section of the watermain pipe now in place.however earlier today the force of the water caused a sink hole in one backyar

pam: cruz tonight. after a man guns down two veteran police officers. on tuesday, jeremy goulet shot and killed loren "butch" baker and elizabeth butler.f their vehicles. and fled the scene. but not the neighborhood. when officers saw the suspect next, they say, he was wearing body armor. and dressed for battle. ("multiple gunshots from shootout.") (breaking glass) >> pam: goulet was killed in that gunfight. police say, he had several weapons on him. initially gone to the suspect's home. to investigate his role in a sexual assault. new at 8- we are learning about what moments before the two santa kron 4's j-r stone is live in santa cruz.he spoke with a man who may have been one of the last people to see the officers before they were shot. >> reporter: they have such critics things to say about this officer if you're if flowers come minos, candles in memory of those two officers. his >> i was the last person to speak with them. the detectives for four there were guns this down and killed outside this house. the officers thought that he could have been the suspect were somehow connected sphere to them always looking away and they say you

butler. kron4's j-r stone is live out in santa cruz. where crime scene. j-r, what's the latest? >> reporter: pam, you said it right, is an active crime seem it is still an active crime scene. what was still a very tragic day. officers with guns drawn in santa cruz this is video from our helicopter parts issue with abc seven. this left three people dead. both officers were conducting an investigation. of a suspect's home >> this altercation ensued. both detectives were killed and at that scene. >> reporter: they are referring to the 35 year-old suspect. he is the lead to a opened fire and killing detectives elizabeth butler and if loren butch baker. >> a neighborhood search was conducted but the only suspect that we have learned has been shot dead. this is one of the darkest days in the santa cruz police force. the police chief spoke. >> the up tthe two of our most beloved officers have been shot and it has rocked our community to the absolute foundation. >> he leaves behind a wife, daughters, and a son who also works for my department as a community services officer. elizabeth butler leaves behi