Complex sentence: Later on in the video you can see the boys father talking to someone on the phone (Probably the boy's mother) Later, the child goes upstairs into what appears to be his old room and damages many things (such as pictures).
Split into simpler sentences: Later on in the video you can see the boy's father talking to someone on the phone (probably the boy's mother). Later the child goes upstairs into what appears to be his old room and damages many things (such as pictures).