Complex sentence: In season 4, Booth learns about Sweets' abusive childhood and eventually takes Sweets under his wing and regularly takes Sweets to interrogations or to analyze crime scenes for insight into the victim.
Split into simpler sentences: In season 4, Booth learns about Sweets' abusive childhood and eventually takes Sweets under his wing. Booth regularly takes him along to interrogations or to analyze crime scenes for insight into the victim.