. >> deaf -- dave spencer said that nicole stopped showing up for work. >> we call it no-call, no-shows. she had a few of those, and we were concerned with what was going on. >> nicole's body was found on friday in san francisco's in mcclare enpark. she was badly beaten. the family does not know who might have killed her. >> can't imagine a reason why she'd have any enemies or anyone wanted to hurt her. >> the little girl is missing and now the focus of a police search. fitts was living in san francisco and was known to frequent the peninsula and east bay. where is arianna? the family has not seen the little girl since february. now putting out a plea. >> if you have seen her or think you have seen her. please call someone. >> she had baby-sitters around, so she had trouble keeping her, like, in a safe place while she was at work. >> in the days and weeks leading up to her death, nicole was emotional at work. >> i saw her crying in the hallway, i don't want to get in her business. like, i just say are you okay? and she was having a hard time. >> that was the last time that dave spencer

and she was having a hard time. >> that was the last time that dave spencer saw nicole, a friend ander gone. her daughter missing. in san francisco, abc 7 news. >> new at 11:00, a fitness trainer faces child molestation charges. he owns a fitness training center, wolfpack, his website that he is the former head coach of the cross country team. police say he victim miezed a number of adults and children. >> new detail on another freeway shooting in the east bay. two people are wanted for firing shots on a taxi. it happened at 8:30 last night, no one was hurt. this is the 17th freeway shooting in the east bay since november. this map shows the freeways where the shootings occurred, 11 happened on 80 and investigators believe that all of the shooters are gang related. >> place details on the brutal attack of a san francisco tourist. the man was visiting from britain in february when he was attacked in lower pacific heights. he died a few weeks later. abc 7 news is live at police headquarters with new information. >> reporter: the man and woman are accused of stabbing the victim in the h

. >> deaf -- dave spencer said that nicole stopped showing up for work. >> we call it no-call, no-shows were concerned with what was going on. >> nicole's body was found on friday in san francisco's in mcclare enpark. she was badly beaten. the family does not know who might have killed her. >> can't imagine a reason why she'd have any enemies or anyone wanted to hurt her. >> the little girl is missing and now the focus of a police search. fitts was living in san francisco and was known to frequent the peninsula and east bay. where is arianna? the family has not seen the little girl since february. now putting out a plea. >> if you have seen her or think you have seen her. please call someone. >> she had baby-sitters around, so she had trouble keeping her, like, in a safe place while she was at work. >> in the days and weeks leading up to her death, nicole was emotional at work. >> i saw her crying in the hallway, i don't want to get in her business. like, i just say are you okay? and she was having a hard time. >> that was the last time that dave spencer saw nicole, a friend and co-work

. >> reporter: dave spencer says she was often emotional at work. >> i saw her crying in the hallway. i don't want to get into her business, i just said are you okay? she was having a hard time. >> reporter: spencer says she was fighting for custody of her older 12-year-old daughter. >> she didn't have custody. i think that was her top priority of getting custody of her child. it seemed like she was going to die trying to do that. >> reporter: the search goes on for little ariana. cornell bernard, "abc7 news." >>> the first homicide of the year in castro valley may be connected to a rap studio there. investigators say 27-year-old jacob martinez died sunday night when he was shot in the head in the parking lot of a building that houses a recording studio. the hunt continues for the killer. >>> a northern california man has been convicted of killing a priest in eureka. he had just been released from jail a few hours earlier. jurors must decide if bullock was essential at the time. if found insane, he faces life in a state psychiatric hospital. >>> traffic is moving on interstate 880 in

. >> dave spencer, georgetown student. what do you propose we do to respond to strategic level cyberattacks? and that was it. >> what do you mean by strategic level cyberattacks? >> an actual cyberattack rather than cyber espionage. >> on what? >> strategically, hypothetically in this situation, not energy but another critical infrastructure sector, say transportation. >> if i knew the answer to that -- one thing that is true about our economy, it is not centralized so if you shut down the subway system in new york it doesn't much affect what goes on in washington or san francisco. some countries shut down transportation like tokyo, you really mess things up, but electrical power, they are expending the smart grid which is like stupid grid for cyberpurposes, it doesn't take up the entire country. in some ways, you know about data. everything is hooked up to computer networks and this is done for rational reasons, it is cheaper, more economy of scale, you have everything monitored by sensors and it all makes perfect sense.