>> reporter: tommy sr. was a well respected founder of wainscot capital funds. they focused on health care and biotech investing and had millions in assets. jason often worked with thomas senior. >> when you talk with someone on the phone and they get interrupted, you can see agitation. he never had that. was always even keeled. long term. just very much a professional. >> reporter: and someone who investeds in son's education. tommy attended $50,000 a year deerfield academy in massachusetts before princeton university. robby ludwig is a psychotherapist who has not treated tommy but has worked with families like the g boerts s gillberts. >> a difficult dynamic where the son never felt he could please his father. contentious. filled with rage and shame. maybe the family made excuses fotheir son for a very long time where he was exhibiting problematic behavior that they just assume was immaturity. or a result of him being spoiled. >> reporter: the murder allegation was not his first brush with the law. there had been previous arrests, including one for drug posses

sr.'s upscale manhattan apartment. police say tommy arrived and quickly asked his mother to get him something to eat. >> she went to get some food for jr. about 15 minutes after that she had a bad feeling and decided to return. she got back to the apartment about 15 minutes later and she found sr. on the floor with a bullet hole in his head. >> reporter: police found the gun on gilbert's chest, making it look like a suicide, but a search of tommy jr.'s apartment suggested otherwise. >> we have a shell casing envelope with the serial number of the gun that was recovered at the crime scene. substantial amount of physical evidence to use. >> reporter: police also found indications of a fraud operation at his apartment. prosecutors allege gilbert jr. has a skimming device and 21 blank credit cards, adding 22 charges of forgery to the murder and gun charges. this wasn't gilbert jr.'s first encounter with the law. he was arrested in september for violating a protective order filed by another hedge fund player, peter n. smith. the smith famil

sr. and his wife shelly were doing all they could to help their 30-year-old son, tommy, who struggled with law enforcement sources they paid his rent of $2400 a month and gave him an allowance of $600 a week. when the father tried to lower the allowance to $400 a week, sources say tommy got angry. wnbc investigative reporter jonathan dienst. >> several family sources say the father was really concerned about his son both from his mental illness, alleged drug abuse and the fact that he couldn't hold down a job. it all came to a head in the apartment that afternoon. >> reporter: on sunday police say tommy asked his mother to leave the family's apartment and then shot his father in the head. police have said they have a substantial amount of physical evidence inside tommy's apartment, they found a carrying case and accessories for the gun used to shoot tom sr. and ammunition. they also found a skimmer device and 21 blank credit cards, which led to forgery devices. >> they'll probably be looking at extreme mental duress or some sort of psychiatric defense to mount to sort of minimize the damag

sr. is being remembered as a kind, friendly man, whose small hedge fund had a good year in 2014. attorneys for the son, tommyert jr., had no comment on the case. employees of the hedge fund, his wife and family are understandably in shock. one friend told cnbc tom was intelligent, thoughtful and nonaggressive. and he added that that's sort of a rare trait to be nonaggressive as a hedge fund manager. >> thank you. >>> take a turn now. al has more on this cold weather. >> that's right. actually, we'll take a look at some places where it's a little warmer. if you want that warmer weather, let's head out west. big ridge of high pressure pushing the jet stream way up to the north. so, temperatures are actually above normal. seattle, 53. 7 degrees above normal. los angeles, going to be up near 80, 11 degrees above normal. phoenix looking warmer even denver, 54. that's nine degrees above normal. clipper is coming across, bringing light snow. colder air behind it. lake-effect snow around the great lakes. good news for our friends in the pacific northwest, you'll have dry weather the next couple of days as they conti