How could you use Text 1 and Text 2 together as referencing source material
in your paper?
You could use the content of Text 1 that is factual, verifiable and relevant e.g. it is true that Kim’s mother committed suicide after his death and that she did so because of a broken heart, however, it is irrelevant.
Text 2 in itself is not a comprehensive source of referencing material, however as already mentioned, the paper to which it refers is clearly a credible source.