Need a diagram of Engine for Prius Gen 4 due to oil leak

Hello Everyone,

I have had to look everywhere for a diagram of the Prius 2010 (Gen 4) and I can't seem to get a good one online. The next step was to contact toyota for a diagram via PDF. I am trying to locate an area where the oil leak could possible be. The last problem that was fixed was an unfortunate mechanic who did not torque it properly and dislodged the filter. I then had someone fix this issue and now it continues to leak. It is possible closer to where I add oil (next to oil cap) and possible somewhere that I can't describe due to the diagram that I need to possibly locate the area of oil leak concern. Please help.
thanks!