. >>> sarah phillips was one of the many americans on that plane the college student from newton was headed home for abroad. tonight her mother told wbz, ken's research has made a tremendous difference in this case, i'm thrilled, she said through tears, keeping his brother in his life the same way we try to keep sarah in ours, new u.s. and scottish investigators are looking just where dornstein has pointed. >>> i believe this -- i'm hoping they can finish. >> also told us he believes his brother would appreciate the work that he has done in his name. in the satellite center, jim armstrong, wbz. >>> a judge has rejected a request by prosecutors to have their own psychologist exam a teenager accused of killing his teacher, now under going a 20 damontal evaluation after he made disturbing and suicidal statements to a court prosecutors say chism is faking it to stop his murder trial going forward. jury selection is on hold, he was just 14 when police say he stabbed a math teacher calling him at the high school and dumped her body in the woods. >>> the freeze this weekend should wipe out

. >> reporter: sarah phillips was headed home for christmas after a semester abroad. tonight, her mother told wbz ken's research has made a tremendous difference in this case. "i'm actuallied," she said through tears. he's keeping his brother in his life the same way we try to keep sarah in ours. now word that u.s. and scottish investigators are looking just where ken has pointed. >> i believe this is in large measure an outgrowth of the hoping they can finish. >> reporter: he believes his brother would appreciate the work he has done in his name. jim arm strong, wbz news this morning. >>> a judge has rejected a request by prosecutors to have their own psychologist examine a teenager accused of killing his teacher. phillip chism is undergoing a 20-day evaluation after making disturbing, suicidal statements to a court psychologist. prosecutors say chism is faking it to stop his murder trial from going forward. jury selection is now on hold. philip chism was 13 when he stabbed a math teacher, colleen ritzer at danvers high school and dumped her body in the woods. >>> it

. >> phillipe :so, we stopped by the linsday wildlife experience in walnut creek to meet with sarah parnell it's kind of exciting -- always seeing a new species. >> phillipe :a biologist, parnell studied herpetology at u-c berkeley and is an expert on snakes. sot- "they depend a lot on ocean temperatures and the food, you know, that is available to them. um, they're definitely a warmer water species. but, um, you know, as i said, animals are adaptable, so anythings possible. um, currently, they don't expect to see them up here though." >> phillipe :parenell says this snake most likely came up the coast from mexico. philippe djegal, kron four news. >> brian :they say they have some sprinkles in san carlos this evening and a light dusting of rain in the parking lot in sunnyvale a few blips on 3 d--on the radar here all moving south down tomorrow and the weather system is parting and having to southern california as it does slow--as it does so a flash flood warning earlier but it is now all ended rule we seeing sunshine for tomorrow low humidity and that means high fire danger a fire danger wa

sarah: there you go. >>> good morning. i'm phillip mena. >>> good morning. i'm phillip mena. >> i'm reena ninan.p headlines we're following this morning on "world news now." >>> will he or won't he? a new signal from the vice president about a possible run for the white house. what a top aide is saying to biden's former staff and looming boycott, the two gop front-runners threatening to skip the next debate unless their demands are met. >>> president obama is slowing down his plan to withdraw all u.s. forces from afghanistan. nearly 10,000 troops will stay through most of next year due in part to resurgent threats by the taliban. >>> former house speaker dennis hastert has agreed to plead guilty in a hush money case linked to accusations of sexual misconduct. is he set to submit a written plea on monday but he has till october 28th to change his mind. >>> and regulators in nevada have ordered daily fantasy sport sites to be shut down saying they can't operate in that state without a gambling license. the sites say they shouldn't need a license because they provide games of skill, not of chance.