savvas and amy were active in washington charities. was a regular volunteer at the kids's school. >> they were a nice, quiet washington couple who lived under the radar. if anything, they deliberately kept a low profile. >> this guy didn't care about wealth. he would have given money away. he was all about the experience. >> a tight-knit family, whether it was amy leading them on hikes or savvas taking them on a year-long getaway to the caribbean. >> family was the most important thing. he was the kind of person who wanted to be in love and have a family and grow old with them. >> and as summer 2015 approached, the savopoulos family was certainly growing up. abigail was graduating from high school. katerina searching for colleges, with her mother. savvas was opening up a martial arts school, something he dreamed of as a teenager. >> he used to joke with me. i would put up a hand and he would touch a nerve and i would say uncle, uncle. stop. he knew how to defend himself. he really did. and philip was living his dream. as a go-cart race